20175504447

素因数分解:

$3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1457873}}^1$

素因数の和:1458542

約数の個数: 16

約数和(自身を含む): 30790298880

約数和(自身を除く): 10614794433

約数列:

[1, 3, 7, 21, 659, 1977, 4613, 13839, 1457873, 4373619, 10205111, 30615333, 960738307, 2882214921, 6725168149, 20175504447]

約数ペア:

[(1, 20175504447), (3, 6725168149), (7, 2882214921), (21, 960738307), (659, 30615333), (1977, 10205111), (4613, 4373619), (13839, 1457873)]