20796824

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 39960000

約数和(自身を除く): 19163176

約数列:

[1, 2, 4, 8, 73, 146, 149, 239, 292, 298, 478, 584, 596, 956, 1192, 1912, 10877, 17447, 21754, 34894, 35611, 43508, 69788, 71222, 87016, 139576, 142444, 284888, 2599603, 5199206, 10398412, 20796824]

約数ペア:

[(1, 20796824), (2, 10398412), (4, 5199206), (8, 2599603), (73, 284888), (146, 142444), (149, 139576), (239, 87016), (292, 71222), (298, 69788), (478, 43508), (584, 35611), (596, 34894), (956, 21754), (1192, 17447), (1912, 10877)]