20803527

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{163}}^2$

素因数の和:364

約数の個数: 24

約数和(自身を含む): 32079600

約数和(自身を除く): 11276073

約数列:

[1, 3, 9, 27, 29, 87, 163, 261, 489, 783, 1467, 4401, 4727, 14181, 26569, 42543, 79707, 127629, 239121, 717363, 770501, 2311503, 6934509, 20803527]

約数ペア:

[(1, 20803527), (3, 6934509), (9, 2311503), (27, 770501), (29, 717363), (87, 239121), (163, 127629), (261, 79707), (489, 42543), (783, 26569), (1467, 14181), (4401, 4727)]