20318913

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{953}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 30955392

約数和(自身を除く): 10636479

約数列:

[1, 3, 9, 23, 69, 103, 207, 309, 927, 953, 2369, 2859, 7107, 8577, 21321, 21919, 65757, 98159, 197271, 294477, 883431, 2257657, 6772971, 20318913]

約数ペア:

[(1, 20318913), (3, 6772971), (9, 2257657), (23, 883431), (69, 294477), (103, 197271), (207, 98159), (309, 65757), (927, 21919), (953, 21321), (2369, 8577), (2859, 7107)]