20257740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112543}}^1$

素因数の和:112558

約数の個数: 36

約数和(自身を含む): 61449024

約数和(自身を除く): 41191284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112543, 225086, 337629, 450172, 562715, 675258, 1012887, 1125430, 1350516, 1688145, 2025774, 2250860, 3376290, 4051548, 5064435, 6752580, 10128870, 20257740]

約数ペア:

[(1, 20257740), (2, 10128870), (3, 6752580), (4, 5064435), (5, 4051548), (6, 3376290), (9, 2250860), (10, 2025774), (12, 1688145), (15, 1350516), (18, 1125430), (20, 1012887), (30, 675258), (36, 562715), (45, 450172), (60, 337629), (90, 225086), (180, 112543)]