20123492529

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{568027}}^1$

素因数の和:568285

約数の個数: 24

約数和(自身を含む): 31341512928

約数和(自身を除く): 11218020399

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 1687, 5061, 11809, 35427, 568027, 1704081, 3976189, 11928567, 27833323, 83499969, 136894507, 410683521, 958261549, 2874784647, 6707830843, 20123492529]

約数ペア:

[(1, 20123492529), (3, 6707830843), (7, 2874784647), (21, 958261549), (49, 410683521), (147, 136894507), (241, 83499969), (723, 27833323), (1687, 11928567), (5061, 3976189), (11809, 1704081), (35427, 568027)]