20551272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 59184000

約数和(自身を除く): 38632728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 149, 168, 298, 447, 596, 821, 894, 1043, 1192, 1642, 1788, 2086, 2463, 3129, 3284, 3576, 4172, 4926, 5747, 6258, 6568, 8344, 9852, 11494, 12516, 17241, 19704, 22988, 25032, 34482, 45976, 68964, 122329, 137928, 244658, 366987, 489316, 733974, 856303, 978632, 1467948, 1712606, 2568909, 2935896, 3425212, 5137818, 6850424, 10275636, 20551272]

約数ペア:

[(1, 20551272), (2, 10275636), (3, 6850424), (4, 5137818), (6, 3425212), (7, 2935896), (8, 2568909), (12, 1712606), (14, 1467948), (21, 978632), (24, 856303), (28, 733974), (42, 489316), (56, 366987), (84, 244658), (149, 137928), (168, 122329), (298, 68964), (447, 45976), (596, 34482), (821, 25032), (894, 22988), (1043, 19704), (1192, 17241), (1642, 12516), (1788, 11494), (2086, 9852), (2463, 8344), (3129, 6568), (3284, 6258), (3576, 5747), (4172, 4926)]