20940508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{727}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 38729600

約数和(自身を除く): 17789092

約数列:

[1, 2, 4, 19, 38, 76, 379, 727, 758, 1454, 1516, 2908, 7201, 13813, 14402, 27626, 28804, 55252, 275533, 551066, 1102132, 5235127, 10470254, 20940508]

約数ペア:

[(1, 20940508), (2, 10470254), (4, 5235127), (19, 1102132), (38, 551066), (76, 275533), (379, 55252), (727, 28804), (758, 27626), (1454, 14402), (1516, 13813), (2908, 7201)]