20894476

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{51719}}^1$

素因数の和:51824

約数の個数: 12

約数和(自身を含む): 36928080

約数和(自身を除く): 16033604

約数列:

[1, 2, 4, 101, 202, 404, 51719, 103438, 206876, 5223619, 10447238, 20894476]

約数ペア:

[(1, 20894476), (2, 10447238), (4, 5223619), (101, 206876), (202, 103438), (404, 51719)]