20995052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2477}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 39826416

約数和(自身を除く): 18831364

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2477, 4238, 4954, 8476, 9908, 32201, 64402, 128804, 403751, 807502, 1615004, 5248763, 10497526, 20995052]

約数ペア:

[(1, 20995052), (2, 10497526), (4, 5248763), (13, 1615004), (26, 807502), (52, 403751), (163, 128804), (326, 64402), (652, 32201), (2119, 9908), (2477, 8476), (4238, 4954)]