20751528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 59760000

約数和(自身を除く): 39008472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 149, 168, 298, 447, 596, 829, 894, 1043, 1192, 1658, 1788, 2086, 2487, 3129, 3316, 3576, 4172, 4974, 5803, 6258, 6632, 8344, 9948, 11606, 12516, 17409, 19896, 23212, 25032, 34818, 46424, 69636, 123521, 139272, 247042, 370563, 494084, 741126, 864647, 988168, 1482252, 1729294, 2593941, 2964504, 3458588, 5187882, 6917176, 10375764, 20751528]

約数ペア:

[(1, 20751528), (2, 10375764), (3, 6917176), (4, 5187882), (6, 3458588), (7, 2964504), (8, 2593941), (12, 1729294), (14, 1482252), (21, 988168), (24, 864647), (28, 741126), (42, 494084), (56, 370563), (84, 247042), (149, 139272), (168, 123521), (298, 69636), (447, 46424), (596, 34818), (829, 25032), (894, 23212), (1043, 19896), (1192, 17409), (1658, 12516), (1788, 11606), (2086, 9948), (2487, 8344), (3129, 6632), (3316, 6258), (3576, 5803), (4172, 4974)]