20593035

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 39233376

約数和(自身を除く): 18640341

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 997, 1215, 1377, 2295, 2991, 4131, 4985, 6885, 8973, 14955, 16949, 20655, 26919, 44865, 50847, 80757, 84745, 134595, 152541, 242271, 254235, 403785, 457623, 762705, 1211355, 1372869, 2288115, 4118607, 6864345, 20593035]

約数ペア:

[(1, 20593035), (3, 6864345), (5, 4118607), (9, 2288115), (15, 1372869), (17, 1211355), (27, 762705), (45, 457623), (51, 403785), (81, 254235), (85, 242271), (135, 152541), (153, 134595), (243, 84745), (255, 80757), (405, 50847), (459, 44865), (765, 26919), (997, 20655), (1215, 16949), (1377, 14955), (2295, 8973), (2991, 6885), (4131, 4985)]