20013764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3709}}^1$

素因数の和:3803

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 17383036

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3709, 5396, 7418, 14836, 70471, 140942, 263339, 281884, 526678, 1053356, 5003441, 10006882, 20013764]

約数ペア:

[(1, 20013764), (2, 10006882), (4, 5003441), (19, 1053356), (38, 526678), (71, 281884), (76, 263339), (142, 140942), (284, 70471), (1349, 14836), (2698, 7418), (3709, 5396)]