20690472

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 56871360

約数和(自身を除く): 36180888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 181, 264, 362, 433, 543, 724, 866, 1086, 1299, 1448, 1732, 1991, 2172, 2598, 3464, 3982, 4344, 4763, 5196, 5973, 7964, 9526, 10392, 11946, 14289, 15928, 19052, 23892, 28578, 38104, 47784, 57156, 78373, 114312, 156746, 235119, 313492, 470238, 626984, 862103, 940476, 1724206, 1880952, 2586309, 3448412, 5172618, 6896824, 10345236, 20690472]

約数ペア:

[(1, 20690472), (2, 10345236), (3, 6896824), (4, 5172618), (6, 3448412), (8, 2586309), (11, 1880952), (12, 1724206), (22, 940476), (24, 862103), (33, 626984), (44, 470238), (66, 313492), (88, 235119), (132, 156746), (181, 114312), (264, 78373), (362, 57156), (433, 47784), (543, 38104), (724, 28578), (866, 23892), (1086, 19052), (1299, 15928), (1448, 14289), (1732, 11946), (1991, 10392), (2172, 9526), (2598, 7964), (3464, 5973), (3982, 5196), (4344, 4763)]