20728165788

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{371233}}^1$

素因数の和:371304

約数の個数: 96

約数和(自身を含む): 59872619520

約数和(自身を除く): 39144453732

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 47, 54, 66, 94, 99, 108, 132, 141, 188, 198, 282, 297, 396, 423, 517, 564, 594, 846, 1034, 1188, 1269, 1551, 1692, 2068, 2538, 3102, 4653, 5076, 6204, 9306, 13959, 18612, 27918, 55836, 371233, 742466, 1113699, 1484932, 2227398, 3341097, 4083563, 4454796, 6682194, 8167126, 10023291, 12250689, 13364388, 16334252, 17447951, 20046582, 24501378, 34895902, 36752067, 40093164, 49002756, 52343853, 69791804, 73504134, 104687706, 110256201, 147008268, 157031559, 191927461, 209375412, 220512402, 314063118, 383854922, 441024804, 471094677, 575782383, 628126236, 767709844, 942189354, 1151564766, 1727347149, 1884378708, 2303129532, 3454694298, 5182041447, 6909388596, 10364082894, 20728165788]

約数ペア:

[(1, 20728165788), (2, 10364082894), (3, 6909388596), (4, 5182041447), (6, 3454694298), (9, 2303129532), (11, 1884378708), (12, 1727347149), (18, 1151564766), (22, 942189354), (27, 767709844), (33, 628126236), (36, 575782383), (44, 471094677), (47, 441024804), (54, 383854922), (66, 314063118), (94, 220512402), (99, 209375412), (108, 191927461), (132, 157031559), (141, 147008268), (188, 110256201), (198, 104687706), (282, 73504134), (297, 69791804), (396, 52343853), (423, 49002756), (517, 40093164), (564, 36752067), (594, 34895902), (846, 24501378), (1034, 20046582), (1188, 17447951), (1269, 16334252), (1551, 13364388), (1692, 12250689), (2068, 10023291), (2538, 8167126), (3102, 6682194), (4653, 4454796), (5076, 4083563), (6204, 3341097), (9306, 2227398), (13959, 1484932), (18612, 1113699), (27918, 742466), (55836, 371233)]