20343903

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 27909120

約数和(自身を除く): 7565217

約数列:

[1, 3, 47, 141, 157, 471, 919, 2757, 7379, 22137, 43193, 129579, 144283, 432849, 6781301, 20343903]

約数ペア:

[(1, 20343903), (3, 6781301), (47, 432849), (141, 144283), (157, 129579), (471, 43193), (919, 22137), (2757, 7379)]