20570535

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1489}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 35795760

約数和(自身を除く): 15225225

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1489, 1535, 2763, 4467, 4605, 7445, 13401, 13815, 22335, 67005, 457123, 1371369, 2285615, 4114107, 6856845, 20570535]

約数ペア:

[(1, 20570535), (3, 6856845), (5, 4114107), (9, 2285615), (15, 1371369), (45, 457123), (307, 67005), (921, 22335), (1489, 13815), (1535, 13401), (2763, 7445), (4467, 4605)]