20559996

素因数分解:

$2^2\times 3^2\times {\mathrm{571111}}^1$

素因数の和:571121

約数の個数: 18

約数和(自身を含む): 51971192

約数和(自身を除く): 31411196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571111, 1142222, 1713333, 2284444, 3426666, 5139999, 6853332, 10279998, 20559996]

約数ペア:

[(1, 20559996), (2, 10279998), (3, 6853332), (4, 5139999), (6, 3426666), (9, 2284444), (12, 1713333), (18, 1142222), (36, 571111)]