20108980

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3823}}^1$

素因数の和:4095

約数の個数: 24

約数和(自身を含む): 42400512

約数和(自身を除く): 22291532

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3823, 5260, 7646, 15292, 19115, 38230, 76460, 1005449, 2010898, 4021796, 5027245, 10054490, 20108980]

約数ペア:

[(1, 20108980), (2, 10054490), (4, 5027245), (5, 4021796), (10, 2010898), (20, 1005449), (263, 76460), (526, 38230), (1052, 19115), (1315, 15292), (2630, 7646), (3823, 5260)]