20245700

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1049}}^1$

素因数の和:1256

約数の個数: 36

約数和(自身を含む): 44202900

約数和(自身を除く): 23957200

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1049, 1930, 2098, 3860, 4196, 4825, 5245, 9650, 10490, 19300, 20980, 26225, 52450, 104900, 202457, 404914, 809828, 1012285, 2024570, 4049140, 5061425, 10122850, 20245700]

約数ペア:

[(1, 20245700), (2, 10122850), (4, 5061425), (5, 4049140), (10, 2024570), (20, 1012285), (25, 809828), (50, 404914), (100, 202457), (193, 104900), (386, 52450), (772, 26225), (965, 20980), (1049, 19300), (1930, 10490), (2098, 9650), (3860, 5245), (4196, 4825)]