20480760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56891}}^1$

素因数の和:56908

約数の個数: 48

約数和(自身を含む): 66563640

約数和(自身を除く): 46082880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56891, 113782, 170673, 227564, 284455, 341346, 455128, 512019, 568910, 682692, 853365, 1024038, 1137820, 1365384, 1706730, 2048076, 2275640, 2560095, 3413460, 4096152, 5120190, 6826920, 10240380, 20480760]

約数ペア:

[(1, 20480760), (2, 10240380), (3, 6826920), (4, 5120190), (5, 4096152), (6, 3413460), (8, 2560095), (9, 2275640), (10, 2048076), (12, 1706730), (15, 1365384), (18, 1137820), (20, 1024038), (24, 853365), (30, 682692), (36, 568910), (40, 512019), (45, 455128), (60, 341346), (72, 284455), (90, 227564), (120, 170673), (180, 113782), (360, 56891)]