20387740860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:869

約数の個数: 288

約数和(自身を含む): 65710794240

約数和(自身を除く): 45323053380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 61, 62, 89, 90, 93, 122, 124, 155, 178, 180, 183, 186, 244, 267, 279, 305, 310, 356, 366, 372, 445, 465, 534, 549, 558, 610, 620, 673, 732, 801, 890, 915, 930, 1068, 1098, 1116, 1220, 1335, 1346, 1395, 1602, 1780, 1830, 1860, 1891, 2019, 2196, 2670, 2692, 2745, 2759, 2790, 3204, 3365, 3660, 3782, 4005, 4038, 5340, 5429, 5490, 5518, 5580, 5673, 6057, 6730, 7564, 8010, 8076, 8277, 9455, 10095, 10858, 10980, 11036, 11346, 12114, 13460, 13795, 16020, 16287, 16554, 17019, 18910, 20190, 20863, 21716, 22692, 24228, 24831, 27145, 27590, 28365, 30285, 32574, 33108, 34038, 37820, 40380, 41053, 41385, 41726, 48861, 49662, 54290, 55180, 56730, 59897, 60570, 62589, 65148, 68076, 81435, 82106, 82770, 83452, 85095, 97722, 99324, 104315, 108580, 113460, 119794, 121140, 123159, 124155, 125178, 162870, 164212, 165540, 168299, 170190, 179691, 187767, 195444, 205265, 208630, 239588, 244305, 246318, 248310, 250356, 299485, 312945, 325740, 336598, 340380, 359382, 369477, 375534, 410530, 417260, 488610, 492636, 496620, 504897, 539073, 598970, 615795, 625890, 673196, 718764, 738954, 751068, 821060, 841495, 898455, 938835, 977220, 1009794, 1078146, 1197940, 1231590, 1251780, 1272643, 1477908, 1514691, 1682990, 1796910, 1847385, 1856807, 1877670, 2019588, 2156292, 2463180, 2524485, 2545286, 2695365, 3029382, 3365980, 3593820, 3653717, 3694770, 3713614, 3755340, 3817929, 5048970, 5090572, 5390730, 5570421, 6058764, 6363215, 7307434, 7389540, 7427228, 7573455, 7635858, 9284035, 10097940, 10781460, 10961151, 11140842, 11453787, 12726430, 14614868, 15146910, 15271716, 16711263, 18268585, 18568070, 19089645, 21922302, 22281684, 22907574, 25452860, 27852105, 30293820, 32883453, 33422526, 36537170, 37136140, 38179290, 43844604, 45815148, 54805755, 55704210, 57268935, 65766906, 66845052, 73074340, 76358580, 83556315, 109611510, 111408420, 113265227, 114537870, 131533812, 164417265, 167112630, 219223020, 226530454, 229075740, 328834530, 334225260, 339795681, 453060908, 566326135, 657669060, 679591362, 1019387043, 1132652270, 1359182724, 1698978405, 2038774086, 2265304540, 3397956810, 4077548172, 5096935215, 6795913620, 10193870430, 20387740860]

約数ペア:

[(1, 20387740860), (2, 10193870430), (3, 6795913620), (4, 5096935215), (5, 4077548172), (6, 3397956810), (9, 2265304540), (10, 2038774086), (12, 1698978405), (15, 1359182724), (18, 1132652270), (20, 1019387043), (30, 679591362), (31, 657669060), (36, 566326135), (45, 453060908), (60, 339795681), (61, 334225260), (62, 328834530), (89, 229075740), (90, 226530454), (93, 219223020), (122, 167112630), (124, 164417265), (155, 131533812), (178, 114537870), (180, 113265227), (183, 111408420), (186, 109611510), (244, 83556315), (267, 76358580), (279, 73074340), (305, 66845052), (310, 65766906), (356, 57268935), (366, 55704210), (372, 54805755), (445, 45815148), (465, 43844604), (534, 38179290), (549, 37136140), (558, 36537170), (610, 33422526), (620, 32883453), (673, 30293820), (732, 27852105), (801, 25452860), (890, 22907574), (915, 22281684), (930, 21922302), (1068, 19089645), (1098, 18568070), (1116, 18268585), (1220, 16711263), (1335, 15271716), (1346, 15146910), (1395, 14614868), (1602, 12726430), (1780, 11453787), (1830, 11140842), (1860, 10961151), (1891, 10781460), (2019, 10097940), (2196, 9284035), (2670, 7635858), (2692, 7573455), (2745, 7427228), (2759, 7389540), (2790, 7307434), (3204, 6363215), (3365, 6058764), (3660, 5570421), (3782, 5390730), (4005, 5090572), (4038, 5048970), (5340, 3817929), (5429, 3755340), (5490, 3713614), (5518, 3694770), (5580, 3653717), (5673, 3593820), (6057, 3365980), (6730, 3029382), (7564, 2695365), (8010, 2545286), (8076, 2524485), (8277, 2463180), (9455, 2156292), (10095, 2019588), (10858, 1877670), (10980, 1856807), (11036, 1847385), (11346, 1796910), (12114, 1682990), (13460, 1514691), (13795, 1477908), (16020, 1272643), (16287, 1251780), (16554, 1231590), (17019, 1197940), (18910, 1078146), (20190, 1009794), (20863, 977220), (21716, 938835), (22692, 898455), (24228, 841495), (24831, 821060), (27145, 751068), (27590, 738954), (28365, 718764), (30285, 673196), (32574, 625890), (33108, 615795), (34038, 598970), (37820, 539073), (40380, 504897), (41053, 496620), (41385, 492636), (41726, 488610), (48861, 417260), (49662, 410530), (54290, 375534), (55180, 369477), (56730, 359382), (59897, 340380), (60570, 336598), (62589, 325740), (65148, 312945), (68076, 299485), (81435, 250356), (82106, 248310), (82770, 246318), (83452, 244305), (85095, 239588), (97722, 208630), (99324, 205265), (104315, 195444), (108580, 187767), (113460, 179691), (119794, 170190), (121140, 168299), (123159, 165540), (124155, 164212), (125178, 162870)]