20512472965

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1\times {\mathrm{2503}}^1$

素因数の和:3409

約数の個数: 32

約数和(自身を含む): 25765318656

約数和(自身を除く): 5252845691

約数列:

[1, 5, 43, 47, 215, 235, 811, 2021, 2503, 4055, 10105, 12515, 34873, 38117, 107629, 117641, 174365, 190585, 538145, 588205, 1639031, 2029933, 5058563, 8195155, 10149665, 25292815, 87287119, 95406851, 436435595, 477034255, 4102494593, 20512472965]

約数ペア:

[(1, 20512472965), (5, 4102494593), (43, 477034255), (47, 436435595), (215, 95406851), (235, 87287119), (811, 25292815), (2021, 10149665), (2503, 8195155), (4055, 5058563), (10105, 2029933), (12515, 1639031), (34873, 588205), (38117, 538145), (107629, 190585), (117641, 174365)]