20148355287

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1115449}}^1$

素因数の和:1115684

約数の個数: 20

約数和(自身を含む): 30233156800

約数和(自身を除く): 10084801513

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 18063, 1115449, 3346347, 10039041, 30117123, 90351369, 248745127, 746235381, 2238706143, 6716118429, 20148355287]

約数ペア:

[(1, 20148355287), (3, 6716118429), (9, 2238706143), (27, 746235381), (81, 248745127), (223, 90351369), (669, 30117123), (2007, 10039041), (6021, 3346347), (18063, 1115449)]