20186565560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72094877}}^1$

素因数の和:72094895

約数の個数: 32

約数和(自身を含む): 51908312160

約数和(自身を除く): 31721746600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72094877, 144189754, 288379508, 360474385, 504664139, 576759016, 720948770, 1009328278, 1441897540, 2018656556, 2523320695, 2883795080, 4037313112, 5046641390, 10093282780, 20186565560]

約数ペア:

[(1, 20186565560), (2, 10093282780), (4, 5046641390), (5, 4037313112), (7, 2883795080), (8, 2523320695), (10, 2018656556), (14, 1441897540), (20, 1009328278), (28, 720948770), (35, 576759016), (40, 504664139), (56, 360474385), (70, 288379508), (140, 144189754), (280, 72094877)]