20900703

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5023}}^1$

素因数の和:5118

約数の個数: 16

約数和(自身を含む): 29742080

約数和(自身を除く): 8841377

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 5023, 15069, 95437, 286311, 366679, 1100037, 6966901, 20900703]

約数ペア:

[(1, 20900703), (3, 6966901), (19, 1100037), (57, 366679), (73, 286311), (219, 95437), (1387, 15069), (4161, 5023)]