20371150

素因数分解:

$2^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{2111}}^1$

素因数の和:2316

約数の個数: 24

約数和(自身を含む): 38104704

約数和(自身を除く): 17733554

約数列:

[1, 2, 5, 10, 25, 50, 193, 386, 965, 1930, 2111, 4222, 4825, 9650, 10555, 21110, 52775, 105550, 407423, 814846, 2037115, 4074230, 10185575, 20371150]

約数ペア:

[(1, 20371150), (2, 10185575), (5, 4074230), (10, 2037115), (25, 814846), (50, 407423), (193, 105550), (386, 52775), (965, 21110), (1930, 10555), (2111, 9650), (4222, 4825)]