20844208

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2417}}^1$

素因数の和:2450

約数の個数: 60

約数和(自身を含む): 51271272

約数和(自身を除く): 30427064

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2417, 4312, 4834, 8624, 9668, 16919, 19336, 26587, 33838, 38672, 53174, 67676, 106348, 118433, 135352, 186109, 212696, 236866, 270704, 372218, 425392, 473732, 744436, 947464, 1302763, 1488872, 1894928, 2605526, 2977744, 5211052, 10422104, 20844208]

約数ペア:

[(1, 20844208), (2, 10422104), (4, 5211052), (7, 2977744), (8, 2605526), (11, 1894928), (14, 1488872), (16, 1302763), (22, 947464), (28, 744436), (44, 473732), (49, 425392), (56, 372218), (77, 270704), (88, 236866), (98, 212696), (112, 186109), (154, 135352), (176, 118433), (196, 106348), (308, 67676), (392, 53174), (539, 38672), (616, 33838), (784, 26587), (1078, 19336), (1232, 16919), (2156, 9668), (2417, 8624), (4312, 4834)]