2017220180

素因数分解:

$2^2\times 5^1\times {\mathrm{100861009}}^1$

素因数の和:100861018

約数の個数: 12

約数和(自身を含む): 4236162420

約数和(自身を除く): 2218942240

約数列:

[1, 2, 4, 5, 10, 20, 100861009, 201722018, 403444036, 504305045, 1008610090, 2017220180]

約数ペア:

[(1, 2017220180), (2, 1008610090), (4, 504305045), (5, 403444036), (10, 201722018), (20, 100861009)]