20399684786

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{22613}}^1$

素因数の和:22815

約数の個数: 48

約数和(自身を含む): 35308504584

約数和(自身を除く): 14908819798

約数列:

[1, 2, 13, 17, 26, 34, 157, 169, 221, 314, 338, 442, 2041, 2669, 2873, 4082, 5338, 5746, 22613, 26533, 34697, 45226, 53066, 69394, 293969, 384421, 451061, 587938, 768842, 902122, 3550241, 3821597, 4997473, 7100482, 7643194, 9994946, 46153133, 60354097, 64967149, 92306266, 120708194, 129934298, 599990729, 784603261, 1199981458, 1569206522, 10199842393, 20399684786]

約数ペア:

[(1, 20399684786), (2, 10199842393), (13, 1569206522), (17, 1199981458), (26, 784603261), (34, 599990729), (157, 129934298), (169, 120708194), (221, 92306266), (314, 64967149), (338, 60354097), (442, 46153133), (2041, 9994946), (2669, 7643194), (2873, 7100482), (4082, 4997473), (5338, 3821597), (5746, 3550241), (22613, 902122), (26533, 768842), (34697, 587938), (45226, 451061), (53066, 384421), (69394, 293969)]