20091596

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 42147840

約数和(自身を除く): 22056244

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 293, 316, 434, 553, 586, 868, 1106, 1172, 2051, 2212, 2449, 4102, 4898, 8204, 9083, 9796, 17143, 18166, 23147, 34286, 36332, 46294, 63581, 68572, 92588, 127162, 162029, 254324, 324058, 648116, 717557, 1435114, 2870228, 5022899, 10045798, 20091596]

約数ペア:

[(1, 20091596), (2, 10045798), (4, 5022899), (7, 2870228), (14, 1435114), (28, 717557), (31, 648116), (62, 324058), (79, 254324), (124, 162029), (158, 127162), (217, 92588), (293, 68572), (316, 63581), (434, 46294), (553, 36332), (586, 34286), (868, 23147), (1106, 18166), (1172, 17143), (2051, 9796), (2212, 9083), (2449, 8204), (4102, 4898)]