20272285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1871}}^1$

素因数の和:2084

約数の個数: 16

約数和(自身を含む): 26687232

約数和(自身を除く): 6414947

約数列:

[1, 5, 11, 55, 197, 985, 1871, 2167, 9355, 10835, 20581, 102905, 368587, 1842935, 4054457, 20272285]

約数ペア:

[(1, 20272285), (5, 4054457), (11, 1842935), (55, 368587), (197, 102905), (985, 20581), (1871, 10835), (2167, 9355)]