853199420

素因数分解:

$2^2\times 5^1\times {\mathrm{4003}}^1\times {\mathrm{10657}}^1$

素因数の和:14669

約数の個数: 24

約数和(自身を含む): 1792334544

約数和(自身を除く): 939135124

約数列:

[1, 2, 4, 5, 10, 20, 4003, 8006, 10657, 16012, 20015, 21314, 40030, 42628, 53285, 80060, 106570, 213140, 42659971, 85319942, 170639884, 213299855, 426599710, 853199420]

約数ペア:

[(1, 853199420), (2, 426599710), (4, 213299855), (5, 170639884), (10, 85319942), (20, 42659971), (4003, 213140), (8006, 106570), (10657, 80060), (16012, 53285), (20015, 42628), (21314, 40030)]