20201207980

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2332703}}^1$

素因数の和:2333145

約数の個数: 24

約数和(自身を含む): 42520528512

約数和(自身を除く): 22319320532

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 2332703, 4665406, 9330812, 11663515, 23327030, 46654060, 1010060399, 2020120798, 4040241596, 5050301995, 10100603990, 20201207980]

約数ペア:

[(1, 20201207980), (2, 10100603990), (4, 5050301995), (5, 4040241596), (10, 2020120798), (20, 1010060399), (433, 46654060), (866, 23327030), (1732, 11663515), (2165, 9330812), (4330, 4665406), (8660, 2332703)]