20158419

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1483}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 8049453

約数列:

[1, 3, 23, 69, 197, 591, 1483, 4449, 4531, 13593, 34109, 102327, 292151, 876453, 6719473, 20158419]

約数ペア:

[(1, 20158419), (3, 6719473), (23, 876453), (69, 292151), (197, 102327), (591, 34109), (1483, 13593), (4449, 4531)]