20681050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31817}}^1$

素因数の和:31842

約数の個数: 24

約数和(自身を含む): 41427036

約数和(自身を除く): 20745986

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31817, 63634, 159085, 318170, 413621, 795425, 827242, 1590850, 2068105, 4136210, 10340525, 20681050]

約数ペア:

[(1, 20681050), (2, 10340525), (5, 4136210), (10, 2068105), (13, 1590850), (25, 827242), (26, 795425), (50, 413621), (65, 318170), (130, 159085), (325, 63634), (650, 31817)]