22785220

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2719}}^1$

素因数の和:3147

約数の個数: 24

約数和(自身を含む): 47980800

約数和(自身を除く): 25195580

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 2719, 4190, 5438, 8380, 10876, 13595, 27190, 54380, 1139261, 2278522, 4557044, 5696305, 11392610, 22785220]

約数ペア:

[(1, 22785220), (2, 11392610), (4, 5696305), (5, 4557044), (10, 2278522), (20, 1139261), (419, 54380), (838, 27190), (1676, 13595), (2095, 10876), (2719, 8380), (4190, 5438)]