20556634

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24071}}^1$

素因数の和:24141

約数の個数: 16

約数和(自身を含む): 35819136

約数和(自身を除く): 15262502

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24071, 48142, 168497, 336994, 1468331, 2936662, 10278317, 20556634]

約数ペア:

[(1, 20556634), (2, 10278317), (7, 2936662), (14, 1468331), (61, 336994), (122, 168497), (427, 48142), (854, 24071)]