20804557676

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18122437}}^1$

素因数の和:18122489

約数の個数: 24

約数和(自身を含む): 42623974176

約数和(自身を除く): 21819416500

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18122437, 36244874, 72489748, 126857059, 253714118, 507428236, 743019917, 1486039834, 2972079668, 5201139419, 10402278838, 20804557676]

約数ペア:

[(1, 20804557676), (2, 10402278838), (4, 5201139419), (7, 2972079668), (14, 1486039834), (28, 743019917), (41, 507428236), (82, 253714118), (164, 126857059), (287, 72489748), (574, 36244874), (1148, 18122437)]