20802684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247651}}^1$

素因数の和:247665

約数の個数: 24

約数和(自身を含む): 55474048

約数和(自身を除く): 34671364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247651, 495302, 742953, 990604, 1485906, 1733557, 2971812, 3467114, 5200671, 6934228, 10401342, 20802684]

約数ペア:

[(1, 20802684), (2, 10401342), (3, 6934228), (4, 5200671), (6, 3467114), (7, 2971812), (12, 1733557), (14, 1485906), (21, 990604), (28, 742953), (42, 495302), (84, 247651)]