20880230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{953}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 43136064

約数和(自身を除く): 22255834

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 953, 1565, 1906, 2191, 3130, 4382, 4765, 6671, 9530, 10955, 13342, 21910, 33355, 66710, 298289, 596578, 1491445, 2088023, 2982890, 4176046, 10440115, 20880230]

約数ペア:

[(1, 20880230), (2, 10440115), (5, 4176046), (7, 2982890), (10, 2088023), (14, 1491445), (35, 596578), (70, 298289), (313, 66710), (626, 33355), (953, 21910), (1565, 13342), (1906, 10955), (2191, 9530), (3130, 6671), (4382, 4765)]