20318020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32771}}^1$

素因数の和:32811

約数の個数: 24

約数和(自身を含む): 44045568

約数和(自身を除く): 23727548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32771, 65542, 131084, 163855, 327710, 655420, 1015901, 2031802, 4063604, 5079505, 10159010, 20318020]

約数ペア:

[(1, 20318020), (2, 10159010), (4, 5079505), (5, 4063604), (10, 2031802), (20, 1015901), (31, 655420), (62, 327710), (124, 163855), (155, 131084), (310, 65542), (620, 32771)]