20640326

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24169}}^1$

素因数の和:24239

約数の個数: 16

約数和(自身を含む): 35964960

約数和(自身を除く): 15324634

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24169, 48338, 169183, 338366, 1474309, 2948618, 10320163, 20640326]

約数ペア:

[(1, 20640326), (2, 10320163), (7, 2948618), (14, 1474309), (61, 338366), (122, 169183), (427, 48338), (854, 24169)]