20007665320

素因数分解:

$2^3\times 5^1\times {\mathrm{500191633}}^1$

素因数の和:500191644

約数の個数: 16

約数和(自身を含む): 45017247060

約数和(自身を除く): 25009581740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500191633, 1000383266, 2000766532, 2500958165, 4001533064, 5001916330, 10003832660, 20007665320]

約数ペア:

[(1, 20007665320), (2, 10003832660), (4, 5001916330), (5, 4001533064), (8, 2500958165), (10, 2000766532), (20, 1000383266), (40, 500191633)]