20615595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1412

約数の個数: 64

約数和(自身を含む): 44319744

約数和(自身を除く): 23704149

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 1373, 2145, 3003, 4119, 5005, 6865, 9611, 15015, 15103, 17849, 20595, 28833, 45309, 48055, 53547, 75515, 89245, 105721, 124943, 144165, 196339, 226545, 267735, 317163, 374829, 528605, 589017, 624715, 981695, 1374373, 1585815, 1874145, 2945085, 4123119, 6871865, 20615595]

約数ペア:

[(1, 20615595), (3, 6871865), (5, 4123119), (7, 2945085), (11, 1874145), (13, 1585815), (15, 1374373), (21, 981695), (33, 624715), (35, 589017), (39, 528605), (55, 374829), (65, 317163), (77, 267735), (91, 226545), (105, 196339), (143, 144165), (165, 124943), (195, 105721), (231, 89245), (273, 75515), (385, 53547), (429, 48055), (455, 45309), (715, 28833), (1001, 20595), (1155, 17849), (1365, 15103), (1373, 15015), (2145, 9611), (3003, 6865), (4119, 5005)]