20037753

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 31094400

約数和(自身を除く): 11056647

約数列:

[1, 3, 9, 27, 29, 87, 157, 163, 261, 471, 489, 783, 1413, 1467, 4239, 4401, 4553, 4727, 13659, 14181, 25591, 40977, 42543, 76773, 122931, 127629, 230319, 690957, 742139, 2226417, 6679251, 20037753]

約数ペア:

[(1, 20037753), (3, 6679251), (9, 2226417), (27, 742139), (29, 690957), (87, 230319), (157, 127629), (163, 122931), (261, 76773), (471, 42543), (489, 40977), (783, 25591), (1413, 14181), (1467, 13659), (4239, 4727), (4401, 4553)]