20439830547

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{647}}^1\times {\mathrm{4483}}^1$

素因数の和:5174

約数の個数: 48

約数和(自身を含む): 31729501440

約数和(自身を除く): 11289670893

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 647, 783, 1941, 2349, 4483, 5823, 7047, 13449, 17469, 18763, 40347, 52407, 56289, 121041, 130007, 157221, 168867, 363123, 390021, 506601, 1089369, 1170063, 1519803, 2900501, 3510189, 4559409, 8701503, 10530567, 26104509, 31591701, 78313527, 84114529, 234940581, 252343587, 704821743, 757030761, 2271092283, 6813276849, 20439830547]

約数ペア:

[(1, 20439830547), (3, 6813276849), (9, 2271092283), (27, 757030761), (29, 704821743), (81, 252343587), (87, 234940581), (243, 84114529), (261, 78313527), (647, 31591701), (783, 26104509), (1941, 10530567), (2349, 8701503), (4483, 4559409), (5823, 3510189), (7047, 2900501), (13449, 1519803), (17469, 1170063), (18763, 1089369), (40347, 506601), (52407, 390021), (56289, 363123), (121041, 168867), (130007, 157221)]