20247640920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{9467}}^1$

素因数の和:9954

約数の個数: 192

約数和(自身を含む): 71029314720

約数和(自身を除く): 50781673800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 457, 468, 520, 585, 780, 914, 936, 1170, 1371, 1560, 1828, 2285, 2340, 2742, 3656, 4113, 4570, 4680, 5484, 5941, 6855, 8226, 9140, 9467, 10968, 11882, 13710, 16452, 17823, 18280, 18934, 20565, 23764, 27420, 28401, 29705, 32904, 35646, 37868, 41130, 47335, 47528, 53469, 54840, 56802, 59410, 71292, 75736, 82260, 85203, 89115, 94670, 106938, 113604, 118820, 123071, 142005, 142584, 164520, 170406, 178230, 189340, 213876, 227208, 237640, 246142, 267345, 284010, 340812, 356460, 369213, 378680, 426015, 427752, 492284, 534690, 568020, 615355, 681624, 712920, 738426, 852030, 984568, 1069380, 1107639, 1136040, 1230710, 1476852, 1704060, 1846065, 2138760, 2215278, 2461420, 2953704, 3408120, 3692130, 4326419, 4430556, 4922840, 5538195, 7384260, 8652838, 8861112, 11076390, 12979257, 14768520, 17305676, 21632095, 22152780, 25958514, 34611352, 38937771, 43264190, 44305560, 51917028, 56243447, 64896285, 77875542, 86528380, 103834056, 112486894, 129792570, 155751084, 168730341, 173056760, 194688855, 224973788, 259585140, 281217235, 311502168, 337460682, 389377710, 449947576, 506191023, 519170280, 562434470, 674921364, 778755420, 843651705, 1012382046, 1124868940, 1349842728, 1557510840, 1687303410, 2024764092, 2249737880, 2530955115, 3374606820, 4049528184, 5061910230, 6749213640, 10123820460, 20247640920]

約数ペア:

[(1, 20247640920), (2, 10123820460), (3, 6749213640), (4, 5061910230), (5, 4049528184), (6, 3374606820), (8, 2530955115), (9, 2249737880), (10, 2024764092), (12, 1687303410), (13, 1557510840), (15, 1349842728), (18, 1124868940), (20, 1012382046), (24, 843651705), (26, 778755420), (30, 674921364), (36, 562434470), (39, 519170280), (40, 506191023), (45, 449947576), (52, 389377710), (60, 337460682), (65, 311502168), (72, 281217235), (78, 259585140), (90, 224973788), (104, 194688855), (117, 173056760), (120, 168730341), (130, 155751084), (156, 129792570), (180, 112486894), (195, 103834056), (234, 86528380), (260, 77875542), (312, 64896285), (360, 56243447), (390, 51917028), (457, 44305560), (468, 43264190), (520, 38937771), (585, 34611352), (780, 25958514), (914, 22152780), (936, 21632095), (1170, 17305676), (1371, 14768520), (1560, 12979257), (1828, 11076390), (2285, 8861112), (2340, 8652838), (2742, 7384260), (3656, 5538195), (4113, 4922840), (4570, 4430556), (4680, 4326419), (5484, 3692130), (5941, 3408120), (6855, 2953704), (8226, 2461420), (9140, 2215278), (9467, 2138760), (10968, 1846065), (11882, 1704060), (13710, 1476852), (16452, 1230710), (17823, 1136040), (18280, 1107639), (18934, 1069380), (20565, 984568), (23764, 852030), (27420, 738426), (28401, 712920), (29705, 681624), (32904, 615355), (35646, 568020), (37868, 534690), (41130, 492284), (47335, 427752), (47528, 426015), (53469, 378680), (54840, 369213), (56802, 356460), (59410, 340812), (71292, 284010), (75736, 267345), (82260, 246142), (85203, 237640), (89115, 227208), (94670, 213876), (106938, 189340), (113604, 178230), (118820, 170406), (123071, 164520), (142005, 142584)]