20812492

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 37071216

約数和(自身を除く): 16258724

約数列:

[1, 2, 4, 137, 163, 233, 274, 326, 466, 548, 652, 932, 22331, 31921, 37979, 44662, 63842, 75958, 89324, 127684, 151916, 5203123, 10406246, 20812492]

約数ペア:

[(1, 20812492), (2, 10406246), (4, 5203123), (137, 151916), (163, 127684), (233, 89324), (274, 75958), (326, 63842), (466, 44662), (548, 37979), (652, 31921), (932, 22331)]