20116900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5437}}^1$

素因数の和:5488

約数の個数: 36

約数和(自身を含む): 44841748

約数和(自身を除く): 24724848

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5437, 10874, 21748, 27185, 54370, 108740, 135925, 201169, 271850, 402338, 543700, 804676, 1005845, 2011690, 4023380, 5029225, 10058450, 20116900]

約数ペア:

[(1, 20116900), (2, 10058450), (4, 5029225), (5, 4023380), (10, 2011690), (20, 1005845), (25, 804676), (37, 543700), (50, 402338), (74, 271850), (100, 201169), (148, 135925), (185, 108740), (370, 54370), (740, 27185), (925, 21748), (1850, 10874), (3700, 5437)]