20791947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33161}}^1$

素因数の和:33194

約数の個数: 16

約数和(自身を含む): 31835520

約数和(自身を除く): 11043573

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33161, 99483, 364771, 630059, 1094313, 1890177, 6930649, 20791947]

約数ペア:

[(1, 20791947), (3, 6930649), (11, 1890177), (19, 1094313), (33, 630059), (57, 364771), (209, 99483), (627, 33161)]