20049406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10861}}^1$

素因数の和:10947

約数の個数: 16

約数和(自身を含む): 32846688

約数和(自身を除く): 12797282

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10861, 21722, 141193, 282386, 771131, 1542262, 10024703, 20049406]

約数ペア:

[(1, 20049406), (2, 10024703), (13, 1542262), (26, 771131), (71, 282386), (142, 141193), (923, 21722), (1846, 10861)]