20285778

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{42797}}^1$

素因数の和:42881

約数の個数: 16

約数和(自身を含む): 41086080

約数和(自身を除く): 20800302

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 42797, 85594, 128391, 256782, 3380963, 6761926, 10142889, 20285778]

約数ペア:

[(1, 20285778), (2, 10142889), (3, 6761926), (6, 3380963), (79, 256782), (158, 128391), (237, 85594), (474, 42797)]