20682981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3541}}^1$

素因数の和:3617

約数の個数: 24

約数和(自身を含む): 33153120

約数和(自身を除く): 12470139

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3541, 5841, 10623, 31869, 38951, 116853, 208919, 350559, 626757, 1880271, 2298109, 6894327, 20682981]

約数ペア:

[(1, 20682981), (3, 6894327), (9, 2298109), (11, 1880271), (33, 626757), (59, 350559), (99, 208919), (177, 116853), (531, 38951), (649, 31869), (1947, 10623), (3541, 5841)]