20235556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41809}}^1$

素因数の和:41835

約数の個数: 18

約数和(自身を含む): 38925110

約数和(自身を除く): 18689554

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41809, 83618, 167236, 459899, 919798, 1839596, 5058889, 10117778, 20235556]

約数ペア:

[(1, 20235556), (2, 10117778), (4, 5058889), (11, 1839596), (22, 919798), (44, 459899), (121, 167236), (242, 83618), (484, 41809)]