20939454

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{19717}}^1$

素因数の和:19784

約数の個数: 24

約数和(自身を含む): 46140120

約数和(自身を除く): 25200666

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 177, 354, 531, 1062, 19717, 39434, 59151, 118302, 177453, 354906, 1163303, 2326606, 3489909, 6979818, 10469727, 20939454]

約数ペア:

[(1, 20939454), (2, 10469727), (3, 6979818), (6, 3489909), (9, 2326606), (18, 1163303), (59, 354906), (118, 177453), (177, 118302), (354, 59151), (531, 39434), (1062, 19717)]