20079668

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17491}}^1$

素因数の和:17543

約数の個数: 24

約数和(自身を含む): 41141184

約数和(自身を除く): 21061516

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17491, 34982, 69964, 122437, 244874, 489748, 717131, 1434262, 2868524, 5019917, 10039834, 20079668]

約数ペア:

[(1, 20079668), (2, 10039834), (4, 5019917), (7, 2868524), (14, 1434262), (28, 717131), (41, 489748), (82, 244874), (164, 122437), (287, 69964), (574, 34982), (1148, 17491)]