20557754

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2357}}^1$

素因数の和:2462

約数の個数: 24

約数和(自身を含む): 36289620

約数和(自身を除く): 15731866

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2357, 4361, 4714, 8722, 16499, 32998, 115493, 209773, 230986, 419546, 1468411, 2936822, 10278877, 20557754]

約数ペア:

[(1, 20557754), (2, 10278877), (7, 2936822), (14, 1468411), (49, 419546), (89, 230986), (98, 209773), (178, 115493), (623, 32998), (1246, 16499), (2357, 8722), (4361, 4714)]