20413162

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 40497408

約数和(自身を除く): 20084246

約数列:

[1, 2, 7, 11, 14, 22, 41, 53, 61, 77, 82, 106, 122, 154, 287, 371, 427, 451, 574, 583, 671, 742, 854, 902, 1166, 1342, 2173, 2501, 3157, 3233, 4081, 4346, 4697, 5002, 6314, 6466, 8162, 9394, 15211, 17507, 22631, 23903, 27511, 30422, 35014, 35563, 45262, 47806, 55022, 71126, 132553, 167321, 192577, 248941, 265106, 334642, 385154, 497882, 927871, 1458083, 1855742, 2916166, 10206581, 20413162]

約数ペア:

[(1, 20413162), (2, 10206581), (7, 2916166), (11, 1855742), (14, 1458083), (22, 927871), (41, 497882), (53, 385154), (61, 334642), (77, 265106), (82, 248941), (106, 192577), (122, 167321), (154, 132553), (287, 71126), (371, 55022), (427, 47806), (451, 45262), (574, 35563), (583, 35014), (671, 30422), (742, 27511), (854, 23903), (902, 22631), (1166, 17507), (1342, 15211), (2173, 9394), (2501, 8162), (3157, 6466), (3233, 6314), (4081, 5002), (4346, 4697)]