20643060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1279}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 37417740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1279, 1345, 1614, 2558, 2690, 3228, 3837, 4035, 5116, 5380, 6395, 7674, 8070, 12790, 15348, 16140, 19185, 25580, 38370, 76740, 344051, 688102, 1032153, 1376204, 1720255, 2064306, 3440510, 4128612, 5160765, 6881020, 10321530, 20643060]

約数ペア:

[(1, 20643060), (2, 10321530), (3, 6881020), (4, 5160765), (5, 4128612), (6, 3440510), (10, 2064306), (12, 1720255), (15, 1376204), (20, 1032153), (30, 688102), (60, 344051), (269, 76740), (538, 38370), (807, 25580), (1076, 19185), (1279, 16140), (1345, 15348), (1614, 12790), (2558, 8070), (2690, 7674), (3228, 6395), (3837, 5380), (4035, 5116)]