20817914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 35138880

約数和(自身を除く): 14320966

約数列:

[1, 2, 13, 26, 41, 59, 82, 118, 331, 533, 662, 767, 1066, 1534, 2419, 4303, 4838, 8606, 13571, 19529, 27142, 31447, 39058, 62894, 176423, 253877, 352846, 507754, 800689, 1601378, 10408957, 20817914]

約数ペア:

[(1, 20817914), (2, 10408957), (13, 1601378), (26, 800689), (41, 507754), (59, 352846), (82, 253877), (118, 176423), (331, 62894), (533, 39058), (662, 31447), (767, 27142), (1066, 19529), (1534, 13571), (2419, 8606), (4303, 4838)]