20628905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22063}}^1$

素因数の和:22096

約数の個数: 16

約数和(自身を含む): 28594944

約数和(自身を除く): 7966039

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22063, 110315, 242693, 375071, 1213465, 1875355, 4125781, 20628905]

約数ペア:

[(1, 20628905), (5, 4125781), (11, 1875355), (17, 1213465), (55, 375071), (85, 242693), (187, 110315), (935, 22063)]