20831510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3767}}^1$

素因数の和:3860

約数の個数: 32

約数和(自身を含む): 43407360

約数和(自身を除く): 22575850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3767, 5530, 7534, 18835, 26369, 37670, 52738, 131845, 263690, 297593, 595186, 1487965, 2083151, 2975930, 4166302, 10415755, 20831510]

約数ペア:

[(1, 20831510), (2, 10415755), (5, 4166302), (7, 2975930), (10, 2083151), (14, 1487965), (35, 595186), (70, 297593), (79, 263690), (158, 131845), (395, 52738), (553, 37670), (790, 26369), (1106, 18835), (2765, 7534), (3767, 5530)]