20191980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{336533}}^1$

素因数の和:336545

約数の個数: 24

約数和(自身を含む): 56537712

約数和(自身を除く): 36345732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 336533, 673066, 1009599, 1346132, 1682665, 2019198, 3365330, 4038396, 5047995, 6730660, 10095990, 20191980]

約数ペア:

[(1, 20191980), (2, 10095990), (3, 6730660), (4, 5047995), (5, 4038396), (6, 3365330), (10, 2019198), (12, 1682665), (15, 1346132), (20, 1009599), (30, 673066), (60, 336533)]