20542629

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3499}}^1$

素因数の和:3624

約数の個数: 16

約数和(自身を含む): 29120000

約数和(自身を除く): 8577371

約数列:

[1, 3, 19, 57, 103, 309, 1957, 3499, 5871, 10497, 66481, 199443, 360397, 1081191, 6847543, 20542629]

約数ペア:

[(1, 20542629), (3, 6847543), (19, 1081191), (57, 360397), (103, 199443), (309, 66481), (1957, 10497), (3499, 5871)]