20162709860

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{997}}^1\times {\mathrm{2111}}^1$

素因数の和:3596

約数の個数: 48

約数和(自身を含む): 42492764160

約数和(自身を除く): 22330054300

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 997, 1916, 1994, 2111, 2395, 3988, 4222, 4790, 4985, 8444, 9580, 9970, 10555, 19940, 21110, 42220, 477563, 955126, 1011169, 1910252, 2022338, 2104667, 2387815, 4044676, 4209334, 4775630, 5055845, 8418668, 9551260, 10111690, 10523335, 20223380, 21046670, 42093340, 1008135493, 2016270986, 4032541972, 5040677465, 10081354930, 20162709860]

約数ペア:

[(1, 20162709860), (2, 10081354930), (4, 5040677465), (5, 4032541972), (10, 2016270986), (20, 1008135493), (479, 42093340), (958, 21046670), (997, 20223380), (1916, 10523335), (1994, 10111690), (2111, 9551260), (2395, 8418668), (3988, 5055845), (4222, 4775630), (4790, 4209334), (4985, 4044676), (8444, 2387815), (9580, 2104667), (9970, 2022338), (10555, 1910252), (19940, 1011169), (21110, 955126), (42220, 477563)]