20494652

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 36514800

約数和(自身を除く): 16020148

約数列:

[1, 2, 4, 137, 149, 251, 274, 298, 502, 548, 596, 1004, 20413, 34387, 37399, 40826, 68774, 74798, 81652, 137548, 149596, 5123663, 10247326, 20494652]

約数ペア:

[(1, 20494652), (2, 10247326), (4, 5123663), (137, 149596), (149, 137548), (251, 81652), (274, 74798), (298, 68774), (502, 40826), (548, 37399), (596, 34387), (1004, 20413)]