320420724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2053979}}^1$

素因数の和:2053999

約数の個数: 24

約数和(自身を含む): 805160160

約数和(自身を除く): 484739436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 2053979, 4107958, 6161937, 8215916, 12323874, 24647748, 26701727, 53403454, 80105181, 106806908, 160210362, 320420724]

約数ペア:

[(1, 320420724), (2, 160210362), (3, 106806908), (4, 80105181), (6, 53403454), (12, 26701727), (13, 24647748), (26, 12323874), (39, 8215916), (52, 6161937), (78, 4107958), (156, 2053979)]