20380493061

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1607}}^1\times {\mathrm{82891}}^1$

素因数の和:84521

約数の個数: 24

約数和(自身を含む): 31189938624

約数和(自身を除く): 10809445563

約数列:

[1, 3, 9, 17, 51, 153, 1607, 4821, 14463, 27319, 81957, 82891, 245871, 248673, 746019, 1409147, 4227441, 12682323, 133205837, 399617511, 1198852533, 2264499229, 6793497687, 20380493061]

約数ペア:

[(1, 20380493061), (3, 6793497687), (9, 2264499229), (17, 1198852533), (51, 399617511), (153, 133205837), (1607, 12682323), (4821, 4227441), (14463, 1409147), (27319, 746019), (81957, 248673), (82891, 245871)]