20676194

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 41140224

約数和(自身を除く): 20464030

約数列:

[1, 2, 7, 11, 14, 22, 31, 61, 62, 71, 77, 122, 142, 154, 217, 341, 427, 434, 497, 671, 682, 781, 854, 994, 1342, 1562, 1891, 2201, 2387, 3782, 4331, 4402, 4697, 4774, 5467, 8662, 9394, 10934, 13237, 15407, 20801, 24211, 26474, 30317, 30814, 41602, 47641, 48422, 60634, 95282, 134261, 145607, 169477, 268522, 291214, 333487, 338954, 666974, 939827, 1476871, 1879654, 2953742, 10338097, 20676194]

約数ペア:

[(1, 20676194), (2, 10338097), (7, 2953742), (11, 1879654), (14, 1476871), (22, 939827), (31, 666974), (61, 338954), (62, 333487), (71, 291214), (77, 268522), (122, 169477), (142, 145607), (154, 134261), (217, 95282), (341, 60634), (427, 48422), (434, 47641), (497, 41602), (671, 30814), (682, 30317), (781, 26474), (854, 24211), (994, 20801), (1342, 15407), (1562, 13237), (1891, 10934), (2201, 9394), (2387, 8662), (3782, 5467), (4331, 4774), (4402, 4697)]