20278467

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12049}}^1$

素因数の和:12083

約数の個数: 24

約数和(自身を含む): 33836400

約数和(自身を除く): 13557933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12049, 36147, 108441, 132539, 204833, 397617, 614499, 1192851, 1843497, 2253163, 6759489, 20278467]

約数ペア:

[(1, 20278467), (3, 6759489), (9, 2253163), (11, 1843497), (17, 1192851), (33, 614499), (51, 397617), (99, 204833), (153, 132539), (187, 108441), (561, 36147), (1683, 12049)]