20495761

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8431}}^1$

素因数の和:8472

約数の個数: 16

約数和(自身を含む): 25498368

約数和(自身を除く): 5002607

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8431, 92741, 109603, 143327, 1205633, 1576597, 1863251, 20495761]

約数ペア:

[(1, 20495761), (11, 1863251), (13, 1576597), (17, 1205633), (143, 143327), (187, 109603), (221, 92741), (2431, 8431)]