20804932478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{79757}}^1$

素因数の和:80008

約数の個数: 32

約数和(自身を含む): 34731099648

約数和(自身を除く): 13926167170

約数列:

[1, 2, 11, 22, 71, 142, 167, 334, 781, 1562, 1837, 3674, 11857, 23714, 79757, 130427, 159514, 260854, 877327, 1754654, 5662747, 11325494, 13319419, 26638838, 62290217, 124580434, 146513609, 293027218, 945678749, 1891357498, 10402466239, 20804932478]

約数ペア:

[(1, 20804932478), (2, 10402466239), (11, 1891357498), (22, 945678749), (71, 293027218), (142, 146513609), (167, 124580434), (334, 62290217), (781, 26638838), (1562, 13319419), (1837, 11325494), (3674, 5662747), (11857, 1754654), (23714, 877327), (79757, 260854), (130427, 159514)]