20431377260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145938409}}^1$

素因数の和:145938425

約数の個数: 24

約数和(自身を含む): 49035305760

約数和(自身を除く): 28603928500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145938409, 291876818, 583753636, 729692045, 1021568863, 1459384090, 2043137726, 2918768180, 4086275452, 5107844315, 10215688630, 20431377260]

約数ペア:

[(1, 20431377260), (2, 10215688630), (4, 5107844315), (5, 4086275452), (7, 2918768180), (10, 2043137726), (14, 1459384090), (20, 1021568863), (28, 729692045), (35, 583753636), (70, 291876818), (140, 145938409)]