20377620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113209}}^1$

素因数の和:113224

約数の個数: 36

約数和(自身を含む): 61812660

約数和(自身を除く): 41435040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113209, 226418, 339627, 452836, 566045, 679254, 1018881, 1132090, 1358508, 1698135, 2037762, 2264180, 3396270, 4075524, 5094405, 6792540, 10188810, 20377620]

約数ペア:

[(1, 20377620), (2, 10188810), (3, 6792540), (4, 5094405), (5, 4075524), (6, 3396270), (9, 2264180), (10, 2037762), (12, 1698135), (15, 1358508), (18, 1132090), (20, 1018881), (30, 679254), (36, 566045), (45, 452836), (60, 339627), (90, 226418), (180, 113209)]