20488802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8839}}^1$

素因数の和:8921

約数の個数: 16

約数和(自身を含む): 32884800

約数和(自身を除く): 12395998

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8839, 17678, 167941, 335882, 539179, 1078358, 10244401, 20488802]

約数ペア:

[(1, 20488802), (2, 10244401), (19, 1078358), (38, 539179), (61, 335882), (122, 167941), (1159, 17678), (2318, 8839)]