20880510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99431}}^1$

素因数の和:99448

約数の個数: 32

約数和(自身を含む): 57272832

約数和(自身を除く): 36392322

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99431, 198862, 298293, 497155, 596586, 696017, 994310, 1392034, 1491465, 2088051, 2982930, 3480085, 4176102, 6960170, 10440255, 20880510]

約数ペア:

[(1, 20880510), (2, 10440255), (3, 6960170), (5, 4176102), (6, 3480085), (7, 2982930), (10, 2088051), (14, 1491465), (15, 1392034), (21, 994310), (30, 696017), (35, 596586), (42, 497155), (70, 298293), (105, 198862), (210, 99431)]