20899681480

素因数分解:

$2^3\times 5^1\times {\mathrm{522492037}}^1$

素因数の和:522492048

約数の個数: 16

約数和(自身を含む): 47024283420

約数和(自身を除く): 26124601940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 522492037, 1044984074, 2089968148, 2612460185, 4179936296, 5224920370, 10449840740, 20899681480]

約数ペア:

[(1, 20899681480), (2, 10449840740), (4, 5224920370), (5, 4179936296), (8, 2612460185), (10, 2089968148), (20, 1044984074), (40, 522492037)]