20159335

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 28440720

約数和(自身を除く): 8281385

約数列:

[1, 5, 7, 35, 49, 107, 245, 535, 749, 769, 3745, 3845, 5243, 5383, 26215, 26915, 37681, 82283, 188405, 411415, 575981, 2879905, 4031867, 20159335]

約数ペア:

[(1, 20159335), (5, 4031867), (7, 2879905), (35, 575981), (49, 411415), (107, 188405), (245, 82283), (535, 37681), (749, 26915), (769, 26215), (3745, 5383), (3845, 5243)]