20663654

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:956

約数の個数: 24

約数和(自身を含む): 34441680

約数和(自身を除く): 13778026

約数列:

[1, 2, 11, 22, 103, 121, 206, 242, 829, 1133, 1658, 2266, 9119, 12463, 18238, 24926, 85387, 100309, 170774, 200618, 939257, 1878514, 10331827, 20663654]

約数ペア:

[(1, 20663654), (2, 10331827), (11, 1878514), (22, 939257), (103, 200618), (121, 170774), (206, 100309), (242, 85387), (829, 24926), (1133, 18238), (1658, 12463), (2266, 9119)]