20178857556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{1429}}^1$

素因数の和:1687

約数の個数: 216

約数和(自身を含む): 60582281760

約数和(自身を除く): 40403424204

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 169, 198, 211, 234, 286, 338, 396, 422, 429, 468, 507, 572, 633, 676, 844, 858, 1014, 1266, 1287, 1429, 1521, 1716, 1859, 1899, 2028, 2321, 2532, 2574, 2743, 2858, 3042, 3718, 3798, 4287, 4642, 5148, 5486, 5577, 5716, 6084, 6963, 7436, 7596, 8229, 8574, 9284, 10972, 11154, 12861, 13926, 15719, 16458, 16731, 17148, 18577, 20889, 22308, 24687, 25722, 27852, 30173, 31438, 32916, 33462, 35659, 37154, 41778, 47157, 49374, 51444, 55731, 60346, 62876, 66924, 71318, 74308, 83556, 90519, 94314, 98748, 106977, 111462, 120692, 141471, 142636, 167193, 181038, 188628, 204347, 213954, 222924, 241501, 271557, 282942, 301519, 320931, 334386, 362076, 392249, 408694, 427908, 483002, 543114, 565884, 603038, 613041, 641862, 668772, 724503, 784498, 817388, 904557, 966004, 1086228, 1176747, 1206076, 1226082, 1283724, 1449006, 1568996, 1809114, 1839123, 2173509, 2353494, 2452164, 2656511, 2713671, 2898012, 3316709, 3530241, 3618228, 3678246, 3919747, 4347018, 4706988, 5313022, 5427342, 6633418, 7060482, 7356492, 7839494, 7969533, 8694036, 9950127, 10626044, 10854684, 11759241, 13266836, 14120964, 15678988, 15939066, 19900254, 23518482, 23908599, 29850381, 31878132, 35277723, 39800508, 43117217, 47036964, 47817198, 50956711, 59700762, 70555446, 86234434, 95634396, 101913422, 119401524, 129351651, 141110892, 152870133, 172468868, 203826844, 258703302, 305740266, 388054953, 458610399, 517406604, 560523821, 611480532, 776109906, 917220798, 1121047642, 1552219812, 1681571463, 1834441596, 2242095284, 3363142926, 5044714389, 6726285852, 10089428778, 20178857556]

約数ペア:

[(1, 20178857556), (2, 10089428778), (3, 6726285852), (4, 5044714389), (6, 3363142926), (9, 2242095284), (11, 1834441596), (12, 1681571463), (13, 1552219812), (18, 1121047642), (22, 917220798), (26, 776109906), (33, 611480532), (36, 560523821), (39, 517406604), (44, 458610399), (52, 388054953), (66, 305740266), (78, 258703302), (99, 203826844), (117, 172468868), (132, 152870133), (143, 141110892), (156, 129351651), (169, 119401524), (198, 101913422), (211, 95634396), (234, 86234434), (286, 70555446), (338, 59700762), (396, 50956711), (422, 47817198), (429, 47036964), (468, 43117217), (507, 39800508), (572, 35277723), (633, 31878132), (676, 29850381), (844, 23908599), (858, 23518482), (1014, 19900254), (1266, 15939066), (1287, 15678988), (1429, 14120964), (1521, 13266836), (1716, 11759241), (1859, 10854684), (1899, 10626044), (2028, 9950127), (2321, 8694036), (2532, 7969533), (2574, 7839494), (2743, 7356492), (2858, 7060482), (3042, 6633418), (3718, 5427342), (3798, 5313022), (4287, 4706988), (4642, 4347018), (5148, 3919747), (5486, 3678246), (5577, 3618228), (5716, 3530241), (6084, 3316709), (6963, 2898012), (7436, 2713671), (7596, 2656511), (8229, 2452164), (8574, 2353494), (9284, 2173509), (10972, 1839123), (11154, 1809114), (12861, 1568996), (13926, 1449006), (15719, 1283724), (16458, 1226082), (16731, 1206076), (17148, 1176747), (18577, 1086228), (20889, 966004), (22308, 904557), (24687, 817388), (25722, 784498), (27852, 724503), (30173, 668772), (31438, 641862), (32916, 613041), (33462, 603038), (35659, 565884), (37154, 543114), (41778, 483002), (47157, 427908), (49374, 408694), (51444, 392249), (55731, 362076), (60346, 334386), (62876, 320931), (66924, 301519), (71318, 282942), (74308, 271557), (83556, 241501), (90519, 222924), (94314, 213954), (98748, 204347), (106977, 188628), (111462, 181038), (120692, 167193), (141471, 142636)]