20139791

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{929}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 24403200

約数和(自身を除く): 4263409

約数列:

[1, 7, 19, 133, 163, 929, 1141, 3097, 6503, 17651, 21679, 123557, 151427, 1059989, 2877113, 20139791]

約数ペア:

[(1, 20139791), (7, 2877113), (19, 1059989), (133, 151427), (163, 123557), (929, 21679), (1141, 17651), (3097, 6503)]