20012346

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 80

約数和(自身を含む): 48299328

約数和(自身を除く): 28286982

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 81, 82, 123, 131, 138, 162, 207, 246, 262, 369, 393, 414, 621, 738, 786, 943, 1107, 1179, 1242, 1863, 1886, 2214, 2358, 2829, 3013, 3321, 3537, 3726, 5371, 5658, 6026, 6642, 7074, 8487, 9039, 10611, 10742, 16113, 16974, 18078, 21222, 25461, 27117, 32226, 48339, 50922, 54234, 76383, 81351, 96678, 123533, 145017, 152766, 162702, 244053, 247066, 290034, 370599, 435051, 488106, 741198, 870102, 1111797, 2223594, 3335391, 6670782, 10006173, 20012346]

約数ペア:

[(1, 20012346), (2, 10006173), (3, 6670782), (6, 3335391), (9, 2223594), (18, 1111797), (23, 870102), (27, 741198), (41, 488106), (46, 435051), (54, 370599), (69, 290034), (81, 247066), (82, 244053), (123, 162702), (131, 152766), (138, 145017), (162, 123533), (207, 96678), (246, 81351), (262, 76383), (369, 54234), (393, 50922), (414, 48339), (621, 32226), (738, 27117), (786, 25461), (943, 21222), (1107, 18078), (1179, 16974), (1242, 16113), (1863, 10742), (1886, 10611), (2214, 9039), (2358, 8487), (2829, 7074), (3013, 6642), (3321, 6026), (3537, 5658), (3726, 5371)]