201986020

素因数分解:

$2^2\times 5^1\times {\mathrm{10099301}}^1$

素因数の和:10099310

約数の個数: 12

約数和(自身を含む): 424170684

約数和(自身を除く): 222184664

約数列:

[1, 2, 4, 5, 10, 20, 10099301, 20198602, 40397204, 50496505, 100993010, 201986020]

約数ペア:

[(1, 201986020), (2, 100993010), (4, 50496505), (5, 40397204), (10, 20198602), (20, 10099301)]