20105204090

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2282089}}^1$

素因数の和:2282977

約数の個数: 16

約数和(自身を含む): 36230460840

約数和(自身を除く): 16125256750

約数列:

[1, 2, 5, 10, 881, 1762, 4405, 8810, 2282089, 4564178, 11410445, 22820890, 2010520409, 4021040818, 10052602045, 20105204090]

約数ペア:

[(1, 20105204090), (2, 10052602045), (5, 4021040818), (10, 2010520409), (881, 22820890), (1762, 11410445), (4405, 4564178), (8810, 2282089)]