20565372944

素因数分解:

$2^4\times {\mathrm{4013}}^1\times {\mathrm{320293}}^1$

素因数の和:324314

約数の個数: 20

約数和(自身を含む): 39855463596

約数和(自身を除く): 19290090652

約数列:

[1, 2, 4, 8, 16, 4013, 8026, 16052, 32104, 64208, 320293, 640586, 1281172, 2562344, 5124688, 1285335809, 2570671618, 5141343236, 10282686472, 20565372944]

約数ペア:

[(1, 20565372944), (2, 10282686472), (4, 5141343236), (8, 2570671618), (16, 1285335809), (4013, 5124688), (8026, 2562344), (16052, 1281172), (32104, 640586), (64208, 320293)]