200021555

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{19429}}^1$

素因数の和:19534

約数の個数: 16

約数和(自身を含む): 251812800

約数和(自身を除く): 51791245

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 19429, 97145, 563441, 1379459, 2817205, 6897295, 40004311, 200021555]

約数ペア:

[(1, 200021555), (5, 40004311), (29, 6897295), (71, 2817205), (145, 1379459), (355, 563441), (2059, 97145), (10295, 19429)]