20344554

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28039446

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 79, 114, 158, 171, 237, 251, 342, 474, 502, 513, 711, 753, 1026, 1422, 1501, 1506, 2133, 2259, 3002, 4266, 4503, 4518, 4769, 6777, 9006, 9538, 13509, 13554, 14307, 19829, 27018, 28614, 39658, 40527, 42921, 59487, 81054, 85842, 118974, 128763, 178461, 257526, 356922, 376751, 535383, 753502, 1070766, 1130253, 2260506, 3390759, 6781518, 10172277, 20344554]

約数ペア:

[(1, 20344554), (2, 10172277), (3, 6781518), (6, 3390759), (9, 2260506), (18, 1130253), (19, 1070766), (27, 753502), (38, 535383), (54, 376751), (57, 356922), (79, 257526), (114, 178461), (158, 128763), (171, 118974), (237, 85842), (251, 81054), (342, 59487), (474, 42921), (502, 40527), (513, 39658), (711, 28614), (753, 27018), (1026, 19829), (1422, 14307), (1501, 13554), (1506, 13509), (2133, 9538), (2259, 9006), (3002, 6777), (4266, 4769), (4503, 4518)]