20902204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1201}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 38704400

約数和(自身を除く): 17802196

約数列:

[1, 2, 4, 19, 38, 76, 229, 458, 916, 1201, 2402, 4351, 4804, 8702, 17404, 22819, 45638, 91276, 275029, 550058, 1100116, 5225551, 10451102, 20902204]

約数ペア:

[(1, 20902204), (2, 10451102), (4, 5225551), (19, 1100116), (38, 550058), (76, 275029), (229, 91276), (458, 45638), (916, 22819), (1201, 17404), (2402, 8702), (4351, 4804)]