20051071490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32870609}}^1$

素因数の和:32870677

約数の個数: 16

約数和(自身を含む): 36683600760

約数和(自身を除く): 16632529270

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 32870609, 65741218, 164353045, 328706090, 2005107149, 4010214298, 10025535745, 20051071490]

約数ペア:

[(1, 20051071490), (2, 10025535745), (5, 4010214298), (10, 2005107149), (61, 328706090), (122, 164353045), (305, 65741218), (610, 32870609)]