20871958

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{2239}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 32256000

約数和(自身を除く): 11384042

約数列:

[1, 2, 59, 79, 118, 158, 2239, 4478, 4661, 9322, 132101, 176881, 264202, 353762, 10435979, 20871958]

約数ペア:

[(1, 20871958), (2, 10435979), (59, 353762), (79, 264202), (118, 176881), (158, 132101), (2239, 9322), (4478, 4661)]