20264478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259801}}^1$

素因数の和:259819

約数の個数: 16

約数和(自身を含む): 43646736

約数和(自身を除く): 23382258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 259801, 519602, 779403, 1558806, 3377413, 6754826, 10132239, 20264478]

約数ペア:

[(1, 20264478), (2, 10132239), (3, 6754826), (6, 3377413), (13, 1558806), (26, 779403), (39, 519602), (78, 259801)]