20973288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 60456960

約数和(自身を除く): 39483672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 983, 1016, 1524, 1778, 1966, 2667, 2949, 3048, 3556, 3932, 5334, 5898, 6881, 7112, 7864, 10668, 11796, 13762, 20643, 21336, 23592, 27524, 41286, 55048, 82572, 124841, 165144, 249682, 374523, 499364, 749046, 873887, 998728, 1498092, 1747774, 2621661, 2996184, 3495548, 5243322, 6991096, 10486644, 20973288]

約数ペア:

[(1, 20973288), (2, 10486644), (3, 6991096), (4, 5243322), (6, 3495548), (7, 2996184), (8, 2621661), (12, 1747774), (14, 1498092), (21, 998728), (24, 873887), (28, 749046), (42, 499364), (56, 374523), (84, 249682), (127, 165144), (168, 124841), (254, 82572), (381, 55048), (508, 41286), (762, 27524), (889, 23592), (983, 21336), (1016, 20643), (1524, 13762), (1778, 11796), (1966, 10668), (2667, 7864), (2949, 7112), (3048, 6881), (3556, 5898), (3932, 5334)]