20834165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19937}}^1$

素因数の和:19972

約数の個数: 16

約数和(自身を含む): 28710720

約数和(自身を除く): 7876555

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19937, 99685, 219307, 378803, 1096535, 1894015, 4166833, 20834165]

約数ペア:

[(1, 20834165), (5, 4166833), (11, 1894015), (19, 1096535), (55, 378803), (95, 219307), (209, 99685), (1045, 19937)]