20484569

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 24259200

約数和(自身を除く): 3774631

約数列:

[1, 7, 37, 139, 259, 569, 973, 3983, 5143, 21053, 36001, 79091, 147371, 553637, 2926367, 20484569]

約数ペア:

[(1, 20484569), (7, 2926367), (37, 553637), (139, 147371), (259, 79091), (569, 36001), (973, 21053), (3983, 5143)]