20567294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19891}}^1$

素因数の和:19951

約数の個数: 16

約数和(自身を含む): 34373376

約数和(自身を除く): 13806082

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19891, 39782, 218801, 437602, 934877, 1869754, 10283647, 20567294]

約数ペア:

[(1, 20567294), (2, 10283647), (11, 1869754), (22, 934877), (47, 437602), (94, 218801), (517, 39782), (1034, 19891)]