20225905

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19927}}^1$

素因数の和:19968

約数の個数: 16

約数和(自身を含む): 28696320

約数和(自身を除く): 8470415

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19927, 99635, 139489, 577883, 697445, 2889415, 4045181, 20225905]

約数ペア:

[(1, 20225905), (5, 4045181), (7, 2889415), (29, 697445), (35, 577883), (145, 139489), (203, 99635), (1015, 19927)]