20953264

素因数分解:

$2^4\times {\mathrm{601}}^1\times {\mathrm{2179}}^1$

素因数の和:2788

約数の個数: 20

約数和(自身を含む): 40683160

約数和(自身を除く): 19729896

約数列:

[1, 2, 4, 8, 16, 601, 1202, 2179, 2404, 4358, 4808, 8716, 9616, 17432, 34864, 1309579, 2619158, 5238316, 10476632, 20953264]

約数ペア:

[(1, 20953264), (2, 10476632), (4, 5238316), (8, 2619158), (16, 1309579), (601, 34864), (1202, 17432), (2179, 9616), (2404, 8716), (4358, 4808)]