20123123787

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{27817}}^1$

素因数の和:28074

約数の個数: 48

約数和(自身を含む): 32604921440

約数和(自身を除く): 12481797653

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 229, 243, 351, 687, 1053, 2061, 2977, 3159, 6183, 8931, 18549, 26793, 27817, 55647, 80379, 83451, 241137, 250353, 361621, 723411, 751059, 1084863, 2253177, 3254589, 6370093, 6759531, 9763767, 19110279, 29291301, 57330837, 82811209, 87873903, 171992511, 248433627, 515977533, 745300881, 1547932599, 2235902643, 6707707929, 20123123787]

約数ペア:

[(1, 20123123787), (3, 6707707929), (9, 2235902643), (13, 1547932599), (27, 745300881), (39, 515977533), (81, 248433627), (117, 171992511), (229, 87873903), (243, 82811209), (351, 57330837), (687, 29291301), (1053, 19110279), (2061, 9763767), (2977, 6759531), (3159, 6370093), (6183, 3254589), (8931, 2253177), (18549, 1084863), (26793, 751059), (27817, 723411), (55647, 361621), (80379, 250353), (83451, 241137)]