20000012

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 35816256

約数和(自身を除く): 15816244

約数列:

[1, 2, 4, 83, 107, 166, 214, 332, 428, 563, 1126, 2252, 8881, 17762, 35524, 46729, 60241, 93458, 120482, 186916, 240964, 5000003, 10000006, 20000012]

約数ペア:

[(1, 20000012), (2, 10000006), (4, 5000003), (83, 240964), (107, 186916), (166, 120482), (214, 93458), (332, 60241), (428, 46729), (563, 35524), (1126, 17762), (2252, 8881)]