20402974

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1423}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 31373568

約数和(自身を除く): 10970594

約数列:

[1, 2, 67, 107, 134, 214, 1423, 2846, 7169, 14338, 95341, 152261, 190682, 304522, 10201487, 20402974]

約数ペア:

[(1, 20402974), (2, 10201487), (67, 304522), (107, 190682), (134, 152261), (214, 95341), (1423, 14338), (2846, 7169)]