20346865497

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{904667}}^1$

素因数の和:904707

約数の個数: 48

約数和(自身を含む): 37127574720

約数和(自身を除く): 16780709223

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 833, 1071, 1323, 2499, 3213, 7497, 22491, 904667, 2714001, 6332669, 8142003, 15379339, 18998007, 24426009, 44328683, 46138017, 56994021, 107655373, 132986049, 138414051, 170982063, 322966119, 398958147, 415242153, 753587611, 968898357, 1196874441, 2260762833, 2906695071, 6782288499, 20346865497]

約数ペア:

[(1, 20346865497), (3, 6782288499), (7, 2906695071), (9, 2260762833), (17, 1196874441), (21, 968898357), (27, 753587611), (49, 415242153), (51, 398958147), (63, 322966119), (119, 170982063), (147, 138414051), (153, 132986049), (189, 107655373), (357, 56994021), (441, 46138017), (459, 44328683), (833, 24426009), (1071, 18998007), (1323, 15379339), (2499, 8142003), (3213, 6332669), (7497, 2714001), (22491, 904667)]