20689038

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8269}}^1$

素因数の和:8416

約数の個数: 24

約数和(自身を含む): 45154200

約数和(自身を除く): 24465162

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8269, 16538, 24807, 49614, 74421, 148842, 1149391, 2298782, 3448173, 6896346, 10344519, 20689038]

約数ペア:

[(1, 20689038), (2, 10344519), (3, 6896346), (6, 3448173), (9, 2298782), (18, 1149391), (139, 148842), (278, 74421), (417, 49614), (834, 24807), (1251, 16538), (2502, 8269)]