20847446

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7727}}^1$

素因数の和:7819

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12537514

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7727, 15454, 146813, 293626, 548617, 1097234, 10423723, 20847446]

約数ペア:

[(1, 20847446), (2, 10423723), (19, 1097234), (38, 548617), (71, 293626), (142, 146813), (1349, 15454), (2698, 7727)]