20186565544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1\times {\mathrm{3931}}^1$

素因数の和:4634

約数の個数: 64

約数和(自身を含む): 40809441600

約数和(自身を除く): 20622876056

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 619, 1037, 1238, 2074, 2476, 3931, 4148, 4952, 7862, 8296, 10523, 15724, 21046, 31448, 37759, 42092, 66827, 75518, 84184, 133654, 151036, 239791, 267308, 302072, 479582, 534616, 641903, 959164, 1283806, 1918328, 2433289, 2567612, 4076447, 4866578, 5135224, 8152894, 9733156, 16305788, 19466312, 32611576, 41365913, 82731826, 148430629, 165463652, 296861258, 330927304, 593722516, 1187445032, 2523320693, 5046641386, 10093282772, 20186565544]

約数ペア:

[(1, 20186565544), (2, 10093282772), (4, 5046641386), (8, 2523320693), (17, 1187445032), (34, 593722516), (61, 330927304), (68, 296861258), (122, 165463652), (136, 148430629), (244, 82731826), (488, 41365913), (619, 32611576), (1037, 19466312), (1238, 16305788), (2074, 9733156), (2476, 8152894), (3931, 5135224), (4148, 4866578), (4952, 4076447), (7862, 2567612), (8296, 2433289), (10523, 1918328), (15724, 1283806), (21046, 959164), (31448, 641903), (37759, 534616), (42092, 479582), (66827, 302072), (75518, 267308), (84184, 239791), (133654, 151036)]