20853368

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16603}}^1$

素因数の和:16766

約数の個数: 16

約数和(自身を含む): 39351480

約数和(自身を除く): 18498112

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16603, 33206, 66412, 132824, 2606671, 5213342, 10426684, 20853368]

約数ペア:

[(1, 20853368), (2, 10426684), (4, 5213342), (8, 2606671), (157, 132824), (314, 66412), (628, 33206), (1256, 16603)]