20846260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33623}}^1$

素因数の和:33663

約数の個数: 24

約数和(自身を含む): 45190656

約数和(自身を除く): 24344396

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33623, 67246, 134492, 168115, 336230, 672460, 1042313, 2084626, 4169252, 5211565, 10423130, 20846260]

約数ペア:

[(1, 20846260), (2, 10423130), (4, 5211565), (5, 4169252), (10, 2084626), (20, 1042313), (31, 672460), (62, 336230), (124, 168115), (155, 134492), (310, 67246), (620, 33623)]