20350040

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2111}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 45999360

約数和(自身を除く): 25649320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2111, 2410, 4222, 4820, 8444, 9640, 10555, 16888, 21110, 42220, 84440, 508751, 1017502, 2035004, 2543755, 4070008, 5087510, 10175020, 20350040]

約数ペア:

[(1, 20350040), (2, 10175020), (4, 5087510), (5, 4070008), (8, 2543755), (10, 2035004), (20, 1017502), (40, 508751), (241, 84440), (482, 42220), (964, 21110), (1205, 16888), (1928, 10555), (2111, 9640), (2410, 8444), (4222, 4820)]