20912414

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19841}}^1$

素因数の和:19891

約数の個数: 16

約数和(自身を含む): 34286976

約数和(自身を除く): 13374562

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 19841, 39682, 337297, 615071, 674594, 1230142, 10456207, 20912414]

約数ペア:

[(1, 20912414), (2, 10456207), (17, 1230142), (31, 674594), (34, 615071), (62, 337297), (527, 39682), (1054, 19841)]