20087678

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:708

約数の個数: 24

約数和(自身を含む): 33001488

約数和(自身を除く): 12913810

約数列:

[1, 2, 13, 26, 103, 169, 206, 338, 577, 1154, 1339, 2678, 7501, 15002, 17407, 34814, 59431, 97513, 118862, 195026, 772603, 1545206, 10043839, 20087678]

約数ペア:

[(1, 20087678), (2, 10043839), (13, 1545206), (26, 772603), (103, 195026), (169, 118862), (206, 97513), (338, 59431), (577, 34814), (1154, 17407), (1339, 15002), (2678, 7501)]