20045565

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1451}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 34882848

約数和(自身を除く): 14837283

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1451, 1535, 2763, 4353, 4605, 7255, 13059, 13815, 21765, 65295, 445457, 1336371, 2227285, 4009113, 6681855, 20045565]

約数ペア:

[(1, 20045565), (3, 6681855), (5, 4009113), (9, 2227285), (15, 1336371), (45, 445457), (307, 65295), (921, 21765), (1451, 13815), (1535, 13059), (2763, 7255), (4353, 4605)]