20637225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13103}}^1$

素因数の和:13126

約数の個数: 36

約数和(自身を含む): 42247296

約数和(自身を除く): 21610071

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13103, 39309, 65515, 91721, 117927, 196545, 275163, 327575, 458605, 589635, 825489, 982725, 1375815, 2293025, 2948175, 4127445, 6879075, 20637225]

約数ペア:

[(1, 20637225), (3, 6879075), (5, 4127445), (7, 2948175), (9, 2293025), (15, 1375815), (21, 982725), (25, 825489), (35, 589635), (45, 458605), (63, 327575), (75, 275163), (105, 196545), (175, 117927), (225, 91721), (315, 65515), (525, 39309), (1575, 13103)]