20391354

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{8269}}^1$

素因数の和:8414

約数の個数: 24

約数和(自身を含む): 44509140

約数和(自身を除く): 24117786

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 8269, 16538, 24807, 49614, 74421, 148842, 1132853, 2265706, 3398559, 6797118, 10195677, 20391354]

約数ペア:

[(1, 20391354), (2, 10195677), (3, 6797118), (6, 3398559), (9, 2265706), (18, 1132853), (137, 148842), (274, 74421), (411, 49614), (822, 24807), (1233, 16538), (2466, 8269)]