20964961

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 23880960

約数和(自身を除く): 2915999

約数列:

[1, 17, 19, 47, 323, 799, 893, 1381, 15181, 23477, 26239, 64907, 446063, 1103419, 1233233, 20964961]

約数ペア:

[(1, 20964961), (17, 1233233), (19, 1103419), (47, 446063), (323, 64907), (799, 26239), (893, 23477), (1381, 15181)]