20888970039

素因数分解:

$3^4\times 7^2\times {\mathrm{5263031}}^1$

素因数の和:5263057

約数の個数: 30

約数和(自身を含む): 36299131704

約数和(自身を除く): 15410161665

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 5263031, 15789093, 36841217, 47367279, 110523651, 142101837, 257888519, 331570953, 426305511, 773665557, 994712859, 2320996671, 2984138577, 6962990013, 20888970039]

約数ペア:

[(1, 20888970039), (3, 6962990013), (7, 2984138577), (9, 2320996671), (21, 994712859), (27, 773665557), (49, 426305511), (63, 331570953), (81, 257888519), (147, 142101837), (189, 110523651), (441, 47367279), (567, 36841217), (1323, 15789093), (3969, 5263031)]