20763564

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 49690368

約数和(自身を除く): 28926804

約数列:

[1, 2, 3, 4, 6, 12, 103, 107, 157, 206, 214, 309, 314, 321, 412, 428, 471, 618, 628, 642, 942, 1236, 1284, 1884, 11021, 16171, 16799, 22042, 32342, 33063, 33598, 44084, 48513, 50397, 64684, 66126, 67196, 97026, 100794, 132252, 194052, 201588, 1730297, 3460594, 5190891, 6921188, 10381782, 20763564]

約数ペア:

[(1, 20763564), (2, 10381782), (3, 6921188), (4, 5190891), (6, 3460594), (12, 1730297), (103, 201588), (107, 194052), (157, 132252), (206, 100794), (214, 97026), (309, 67196), (314, 66126), (321, 64684), (412, 50397), (428, 48513), (471, 44084), (618, 33598), (628, 33063), (642, 32342), (942, 22042), (1236, 16799), (1284, 16171), (1884, 11021)]