20280264

素因数分解:

$2^3\times 3^1\times {\mathrm{491}}^1\times {\mathrm{1721}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 50833440

約数和(自身を除く): 30553176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 491, 982, 1473, 1721, 1964, 2946, 3442, 3928, 5163, 5892, 6884, 10326, 11784, 13768, 20652, 41304, 845011, 1690022, 2535033, 3380044, 5070066, 6760088, 10140132, 20280264]

約数ペア:

[(1, 20280264), (2, 10140132), (3, 6760088), (4, 5070066), (6, 3380044), (8, 2535033), (12, 1690022), (24, 845011), (491, 41304), (982, 20652), (1473, 13768), (1721, 11784), (1964, 10326), (2946, 6884), (3442, 5892), (3928, 5163)]