20917308

素因数分解:

$2^2\times 3^1\times {\mathrm{389}}^1\times {\mathrm{4481}}^1$

素因数の和:4877

約数の個数: 24

約数和(自身を含む): 48943440

約数和(自身を除く): 28026132

約数列:

[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4481, 4668, 8962, 13443, 17924, 26886, 53772, 1743109, 3486218, 5229327, 6972436, 10458654, 20917308]

約数ペア:

[(1, 20917308), (2, 10458654), (3, 6972436), (4, 5229327), (6, 3486218), (12, 1743109), (389, 53772), (778, 26886), (1167, 17924), (1556, 13443), (2334, 8962), (4481, 4668)]