20302227

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 32726512

約数和(自身を除く): 12424285

約数列:

[1, 3, 9, 11, 33, 99, 103, 121, 181, 309, 363, 543, 927, 1089, 1133, 1629, 1991, 3399, 5973, 10197, 12463, 17919, 18643, 21901, 37389, 55929, 65703, 112167, 167787, 197109, 205073, 615219, 1845657, 2255803, 6767409, 20302227]

約数ペア:

[(1, 20302227), (3, 6767409), (9, 2255803), (11, 1845657), (33, 615219), (99, 205073), (103, 197109), (121, 167787), (181, 112167), (309, 65703), (363, 55929), (543, 37389), (927, 21901), (1089, 18643), (1133, 17919), (1629, 12463), (1991, 10197), (3399, 5973)]