20932587

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 34178144

約数和(自身を除く): 13245557

約数列:

[1, 3, 9, 13, 27, 39, 81, 103, 117, 193, 309, 351, 579, 927, 1053, 1339, 1737, 2509, 2781, 4017, 5211, 7527, 8343, 12051, 15633, 19879, 22581, 36153, 59637, 67743, 108459, 178911, 203229, 258427, 536733, 775281, 1610199, 2325843, 6977529, 20932587]

約数ペア:

[(1, 20932587), (3, 6977529), (9, 2325843), (13, 1610199), (27, 775281), (39, 536733), (81, 258427), (103, 203229), (117, 178911), (193, 108459), (309, 67743), (351, 59637), (579, 36153), (927, 22581), (1053, 19879), (1339, 15633), (1737, 12051), (2509, 8343), (2781, 7527), (4017, 5211)]