20956105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 5482295

約数列:

[1, 5, 23, 115, 149, 745, 1223, 3427, 6115, 17135, 28129, 140645, 182227, 911135, 4191221, 20956105]

約数ペア:

[(1, 20956105), (5, 4191221), (23, 911135), (115, 182227), (149, 140645), (745, 28129), (1223, 17135), (3427, 6115)]