20074509

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 36155392

約数和(自身を除く): 16080883

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 127, 193, 273, 381, 579, 819, 889, 1143, 1351, 1651, 1737, 2509, 2667, 4053, 4953, 7527, 8001, 11557, 12159, 14859, 17563, 22581, 24511, 34671, 52689, 73533, 104013, 158067, 171577, 220599, 318643, 514731, 955929, 1544193, 2230501, 2867787, 6691503, 20074509]

約数ペア:

[(1, 20074509), (3, 6691503), (7, 2867787), (9, 2230501), (13, 1544193), (21, 955929), (39, 514731), (63, 318643), (91, 220599), (117, 171577), (127, 158067), (193, 104013), (273, 73533), (381, 52689), (579, 34671), (819, 24511), (889, 22581), (1143, 17563), (1351, 14859), (1651, 12159), (1737, 11557), (2509, 8001), (2667, 7527), (4053, 4953)]