20269858

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15845342

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 359, 518, 718, 763, 1526, 2513, 4033, 5026, 8066, 13283, 26566, 28231, 39131, 56462, 78262, 92981, 185962, 273917, 547834, 1447847, 2895694, 10134929, 20269858]

約数ペア:

[(1, 20269858), (2, 10134929), (7, 2895694), (14, 1447847), (37, 547834), (74, 273917), (109, 185962), (218, 92981), (259, 78262), (359, 56462), (518, 39131), (718, 28231), (763, 26566), (1526, 13283), (2513, 8066), (4033, 5026)]