20659268

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23801}}^1$

素因数の和:23843

約数の個数: 24

約数和(自身を含む): 42653184

約数和(自身を除く): 21993916

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23801, 47602, 95204, 166607, 333214, 666428, 737831, 1475662, 2951324, 5164817, 10329634, 20659268]

約数ペア:

[(1, 20659268), (2, 10329634), (4, 5164817), (7, 2951324), (14, 1475662), (28, 737831), (31, 666428), (62, 333214), (124, 166607), (217, 95204), (434, 47602), (868, 23801)]