20294667

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{229}}^2$

素因数の和:507

約数の個数: 18

約数和(自身を含む): 30127812

約数和(自身を除く): 9833145

約数列:

[1, 3, 9, 43, 129, 229, 387, 687, 2061, 9847, 29541, 52441, 88623, 157323, 471969, 2254963, 6764889, 20294667]

約数ペア:

[(1, 20294667), (3, 6764889), (9, 2254963), (43, 471969), (129, 157323), (229, 88623), (387, 52441), (687, 29541), (2061, 9847)]