2019600220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9180001}}^1$

素因数の和:9180021

約数の個数: 24

約数和(自身を含む): 4626721008

約数和(自身を除く): 2607120788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9180001, 18360002, 36720004, 45900005, 91800010, 100980011, 183600020, 201960022, 403920044, 504900055, 1009800110, 2019600220]

約数ペア:

[(1, 2019600220), (2, 1009800110), (4, 504900055), (5, 403920044), (10, 201960022), (11, 183600020), (20, 100980011), (22, 91800010), (44, 45900005), (55, 36720004), (110, 18360002), (220, 9180001)]