20464893

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3461}}^1$

素因数の和:3546

約数の個数: 20

約数和(自身を含む): 30998748

約数和(自身を除く): 10533855

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3461, 5913, 10383, 31149, 93447, 252653, 280341, 757959, 2273877, 6821631, 20464893]

約数ペア:

[(1, 20464893), (3, 6821631), (9, 2273877), (27, 757959), (73, 280341), (81, 252653), (219, 93447), (657, 31149), (1971, 10383), (3461, 5913)]