20581645

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34591}}^1$

素因数の和:34620

約数の個数: 16

約数和(自身を含む): 29887488

約数和(自身を除く): 9305843

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34591, 172955, 242137, 588047, 1210685, 2940235, 4116329, 20581645]

約数ペア:

[(1, 20581645), (5, 4116329), (7, 2940235), (17, 1210685), (35, 588047), (85, 242137), (119, 172955), (595, 34591)]