20189593090

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4145707}}^1$

素因数の和:4146201

約数の個数: 16

約数和(自身を含む): 36415899072

約数和(自身を除く): 16226305982

約数列:

[1, 2, 5, 10, 487, 974, 2435, 4870, 4145707, 8291414, 20728535, 41457070, 2018959309, 4037918618, 10094796545, 20189593090]

約数ペア:

[(1, 20189593090), (2, 10094796545), (5, 4037918618), (10, 2018959309), (487, 41457070), (974, 20728535), (2435, 8291414), (4870, 4145707)]