20399684776

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{3881}}^1\times {\mathrm{6379}}^1$

素因数の和:10369

約数の個数: 32

約数和(自身を含む): 38636769600

約数和(自身を除く): 18237084824

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 3881, 6379, 7762, 12758, 15524, 25516, 31048, 51032, 399743, 657037, 799486, 1314074, 1598972, 2628148, 3197944, 5256296, 24756899, 49513798, 99027596, 198055192, 2549960597, 5099921194, 10199842388, 20399684776]

約数ペア:

[(1, 20399684776), (2, 10199842388), (4, 5099921194), (8, 2549960597), (103, 198055192), (206, 99027596), (412, 49513798), (824, 24756899), (3881, 5256296), (6379, 3197944), (7762, 2628148), (12758, 1598972), (15524, 1314074), (25516, 799486), (31048, 657037), (51032, 399743)]