20215788

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2417}}^1$

素因数の和:2482

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 30968436

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 41, 51, 68, 82, 102, 123, 164, 204, 246, 492, 697, 1394, 2091, 2417, 2788, 4182, 4834, 7251, 8364, 9668, 14502, 29004, 41089, 82178, 99097, 123267, 164356, 198194, 246534, 297291, 396388, 493068, 594582, 1189164, 1684649, 3369298, 5053947, 6738596, 10107894, 20215788]

約数ペア:

[(1, 20215788), (2, 10107894), (3, 6738596), (4, 5053947), (6, 3369298), (12, 1684649), (17, 1189164), (34, 594582), (41, 493068), (51, 396388), (68, 297291), (82, 246534), (102, 198194), (123, 164356), (164, 123267), (204, 99097), (246, 82178), (492, 41089), (697, 29004), (1394, 14502), (2091, 9668), (2417, 8364), (2788, 7251), (4182, 4834)]