20170881816

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{125497}}^1$

素因数の和:125724

約数の個数: 64

約数和(自身を含む): 52076650080

約数和(自身を除く): 31905768264

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 181, 222, 296, 362, 444, 543, 724, 888, 1086, 1448, 2172, 4344, 6697, 13394, 20091, 26788, 40182, 53576, 80364, 125497, 160728, 250994, 376491, 501988, 752982, 1003976, 1505964, 3011928, 4643389, 9286778, 13930167, 18573556, 22714957, 27860334, 37147112, 45429914, 55720668, 68144871, 90859828, 111441336, 136289742, 181719656, 272579484, 545158968, 840453409, 1680906818, 2521360227, 3361813636, 5042720454, 6723627272, 10085440908, 20170881816]

約数ペア:

[(1, 20170881816), (2, 10085440908), (3, 6723627272), (4, 5042720454), (6, 3361813636), (8, 2521360227), (12, 1680906818), (24, 840453409), (37, 545158968), (74, 272579484), (111, 181719656), (148, 136289742), (181, 111441336), (222, 90859828), (296, 68144871), (362, 55720668), (444, 45429914), (543, 37147112), (724, 27860334), (888, 22714957), (1086, 18573556), (1448, 13930167), (2172, 9286778), (4344, 4643389), (6697, 3011928), (13394, 1505964), (20091, 1003976), (26788, 752982), (40182, 501988), (53576, 376491), (80364, 250994), (125497, 160728)]