20823873

素因数分解:

$3^1\times 7^6\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 28

約数和(自身を含む): 32941680

約数和(自身を除く): 12117807

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 343, 413, 1029, 1239, 2401, 2891, 7203, 8673, 16807, 20237, 50421, 60711, 117649, 141659, 352947, 424977, 991613, 2974839, 6941291, 20823873]

約数ペア:

[(1, 20823873), (3, 6941291), (7, 2974839), (21, 991613), (49, 424977), (59, 352947), (147, 141659), (177, 117649), (343, 60711), (413, 50421), (1029, 20237), (1239, 16807), (2401, 8673), (2891, 7203)]