20706224

素因数分解:

$2^4\times 7^6\times {\mathrm{11}}^1$

素因数の和:61

約数の個数: 70

約数和(自身を含む): 51059604

約数和(自身を除く): 30353380

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 343, 392, 539, 616, 686, 784, 1078, 1232, 1372, 2156, 2401, 2744, 3773, 4312, 4802, 5488, 7546, 8624, 9604, 15092, 16807, 19208, 26411, 30184, 33614, 38416, 52822, 60368, 67228, 105644, 117649, 134456, 184877, 211288, 235298, 268912, 369754, 422576, 470596, 739508, 941192, 1294139, 1479016, 1882384, 2588278, 2958032, 5176556, 10353112, 20706224]

約数ペア:

[(1, 20706224), (2, 10353112), (4, 5176556), (7, 2958032), (8, 2588278), (11, 1882384), (14, 1479016), (16, 1294139), (22, 941192), (28, 739508), (44, 470596), (49, 422576), (56, 369754), (77, 268912), (88, 235298), (98, 211288), (112, 184877), (154, 134456), (176, 117649), (196, 105644), (308, 67228), (343, 60368), (392, 52822), (539, 38416), (616, 33614), (686, 30184), (784, 26411), (1078, 19208), (1232, 16807), (1372, 15092), (2156, 9604), (2401, 8624), (2744, 7546), (3773, 5488), (4312, 4802)]