20449079

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 4434121

約数列:

[1, 7, 17, 119, 239, 719, 1673, 4063, 5033, 12223, 28441, 85561, 171841, 1202887, 2921297, 20449079]

約数ペア:

[(1, 20449079), (7, 2921297), (17, 1202887), (119, 171841), (239, 85561), (719, 28441), (1673, 12223), (4063, 5033)]