20079292225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 25739424000

約数和(自身を除く): 5660131775

約数列:

[1, 5, 25, 61, 89, 239, 305, 445, 619, 1195, 1525, 2225, 3095, 5429, 5975, 14579, 15475, 21271, 27145, 37759, 55091, 72895, 106355, 135725, 147941, 188795, 275455, 364475, 531775, 739705, 943975, 1297531, 1377275, 3360551, 3698525, 6487655, 9024401, 13166749, 16802755, 32438275, 45122005, 65833745, 84013775, 225610025, 329168725, 803171689, 4015858445, 20079292225]

約数ペア:

[(1, 20079292225), (5, 4015858445), (25, 803171689), (61, 329168725), (89, 225610025), (239, 84013775), (305, 65833745), (445, 45122005), (619, 32438275), (1195, 16802755), (1525, 13166749), (2225, 9024401), (3095, 6487655), (5429, 3698525), (5975, 3360551), (14579, 1377275), (15475, 1297531), (21271, 943975), (27145, 739705), (37759, 531775), (55091, 364475), (72895, 275455), (106355, 188795), (135725, 147941)]