20511610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1637}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 21945350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1637, 1790, 2506, 3274, 6265, 8185, 11459, 12530, 16370, 22918, 57295, 114590, 293023, 586046, 1465115, 2051161, 2930230, 4102322, 10255805, 20511610]

約数ペア:

[(1, 20511610), (2, 10255805), (5, 4102322), (7, 2930230), (10, 2051161), (14, 1465115), (35, 586046), (70, 293023), (179, 114590), (358, 57295), (895, 22918), (1253, 16370), (1637, 12530), (1790, 11459), (2506, 8185), (3274, 6265)]