20988510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699617}}^1$

素因数の和:699627

約数の個数: 16

約数和(自身を含む): 50372496

約数和(自身を除く): 29383986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699617, 1399234, 2098851, 3498085, 4197702, 6996170, 10494255, 20988510]

約数ペア:

[(1, 20988510), (2, 10494255), (3, 6996170), (5, 4197702), (6, 3498085), (10, 2098851), (15, 1399234), (30, 699617)]