20026640

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1499}}^1$

素因数の和:1679

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 26845360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1499, 1670, 2672, 2998, 3340, 5996, 6680, 7495, 11992, 13360, 14990, 23984, 29980, 59960, 119920, 250333, 500666, 1001332, 1251665, 2002664, 2503330, 4005328, 5006660, 10013320, 20026640]

約数ペア:

[(1, 20026640), (2, 10013320), (4, 5006660), (5, 4005328), (8, 2503330), (10, 2002664), (16, 1251665), (20, 1001332), (40, 500666), (80, 250333), (167, 119920), (334, 59960), (668, 29980), (835, 23984), (1336, 14990), (1499, 13360), (1670, 11992), (2672, 7495), (2998, 6680), (3340, 5996)]