20877538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{1579}}^1$

素因数の和:2193

約数の個数: 16

約数和(自身を含む): 34241760

約数和(自身を除く): 13364222

約数列:

[1, 2, 11, 22, 601, 1202, 1579, 3158, 6611, 13222, 17369, 34738, 948979, 1897958, 10438769, 20877538]

約数ペア:

[(1, 20877538), (2, 10438769), (11, 1897958), (22, 948979), (601, 34738), (1202, 17369), (1579, 13222), (3158, 6611)]