20213067890

素因数分解:

$2^1\times 5^1\times {\mathrm{4877}}^1\times {\mathrm{414457}}^1$

素因数の和:419341

約数の個数: 16

約数和(自身を含む): 36391070232

約数和(自身を除く): 16178002342

約数列:

[1, 2, 5, 10, 4877, 9754, 24385, 48770, 414457, 828914, 2072285, 4144570, 2021306789, 4042613578, 10106533945, 20213067890]

約数ペア:

[(1, 20213067890), (2, 10106533945), (5, 4042613578), (10, 2021306789), (4877, 4144570), (9754, 2072285), (24385, 828914), (48770, 414457)]