20004464

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12379}}^1$

素因数の和:12488

約数の個数: 20

約数和(自身を含む): 39145560

約数和(自身を除く): 19141096

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12379, 24758, 49516, 99032, 198064, 1250279, 2500558, 5001116, 10002232, 20004464]

約数ペア:

[(1, 20004464), (2, 10002232), (4, 5001116), (8, 2500558), (16, 1250279), (101, 198064), (202, 99032), (404, 49516), (808, 24758), (1616, 12379)]