20187454

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13229}}^1$

素因数の和:13347

約数の個数: 16

約数和(自身を含む): 34927200

約数和(自身を除く): 14739746

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13229, 26458, 92603, 185206, 1441961, 2883922, 10093727, 20187454]

約数ペア:

[(1, 20187454), (2, 10093727), (7, 2883922), (14, 1441961), (109, 185206), (218, 92603), (763, 26458), (1526, 13229)]