20044912

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9013}}^1$

素因数の和:9160

約数の個数: 20

約数和(自身を含む): 39120760

約数和(自身を除く): 19075848

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9013, 18026, 36052, 72104, 144208, 1252807, 2505614, 5011228, 10022456, 20044912]

約数ペア:

[(1, 20044912), (2, 10022456), (4, 5011228), (8, 2505614), (16, 1252807), (139, 144208), (278, 72104), (556, 36052), (1112, 18026), (2224, 9013)]