20654091

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 31041920

約数和(自身を除く): 10387829

約数列:

[1, 3, 9, 31, 93, 181, 279, 409, 543, 1227, 1629, 3681, 5611, 12679, 16833, 38037, 50499, 74029, 114111, 222087, 666261, 2294899, 6884697, 20654091]

約数ペア:

[(1, 20654091), (3, 6884697), (9, 2294899), (31, 666261), (93, 222087), (181, 114111), (279, 74029), (409, 50499), (543, 38037), (1227, 16833), (1629, 12679), (3681, 5611)]