20187815053

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{3359}}^1$

素因数の和:3937

約数の個数: 32

約数和(自身を含む): 24241029120

約数和(自身を除く): 4053214067

約数列:

[1, 7, 41, 43, 287, 301, 487, 1763, 3359, 3409, 12341, 19967, 20941, 23513, 137719, 139769, 144437, 146587, 858581, 964033, 1011059, 1635833, 5921917, 6010067, 11450831, 41453419, 67069153, 70340819, 469484071, 492385733, 2883973579, 20187815053]

約数ペア:

[(1, 20187815053), (7, 2883973579), (41, 492385733), (43, 469484071), (287, 70340819), (301, 67069153), (487, 41453419), (1763, 11450831), (3359, 6010067), (3409, 5921917), (12341, 1635833), (19967, 1011059), (20941, 964033), (23513, 858581), (137719, 146587), (139769, 144437)]