20807943

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{9043}}^1$

素因数の和:9118

約数の個数: 16

約数和(自身を含む): 30387840

約数和(自身を除く): 9579897

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 9043, 27129, 117559, 352677, 533537, 1600611, 6935981, 20807943]

約数ペア:

[(1, 20807943), (3, 6935981), (13, 1600611), (39, 533537), (59, 352677), (177, 117559), (767, 27129), (2301, 9043)]