20258020

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3457}}^1$

素因数の和:3759

約数の個数: 24

約数和(自身を含む): 42699384

約数和(自身を除く): 22441364

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3457, 5860, 6914, 13828, 17285, 34570, 69140, 1012901, 2025802, 4051604, 5064505, 10129010, 20258020]

約数ペア:

[(1, 20258020), (2, 10129010), (4, 5064505), (5, 4051604), (10, 2025802), (20, 1012901), (293, 69140), (586, 34570), (1172, 17285), (1465, 13828), (2930, 6914), (3457, 5860)]