20448315

素因数分解:

$3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 36610560

約数和(自身を除く): 16162245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 167, 501, 835, 907, 1503, 2505, 2721, 4509, 4535, 7515, 8163, 13605, 22545, 24489, 40815, 122445, 151469, 454407, 757345, 1363221, 2272035, 4089663, 6816105, 20448315]

約数ペア:

[(1, 20448315), (3, 6816105), (5, 4089663), (9, 2272035), (15, 1363221), (27, 757345), (45, 454407), (135, 151469), (167, 122445), (501, 40815), (835, 24489), (907, 22545), (1503, 13605), (2505, 8163), (2721, 7515), (4509, 4535)]