20456931

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19997}}^1$

素因数の和:20042

約数の個数: 16

約数和(自身を含む): 30716928

約数和(自身を除く): 10259997

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 19997, 59991, 219967, 619907, 659901, 1859721, 6818977, 20456931]

約数ペア:

[(1, 20456931), (3, 6818977), (11, 1859721), (31, 659901), (33, 619907), (93, 219967), (341, 59991), (1023, 19997)]