20039719

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3583}}^1$

素因数の和:3654

約数の個数: 16

約数和(自身を含む): 24772608

約数和(自身を除く): 4732889

約数列:

[1, 7, 17, 47, 119, 329, 799, 3583, 5593, 25081, 60911, 168401, 426377, 1178807, 2862817, 20039719]

約数ペア:

[(1, 20039719), (7, 2862817), (17, 1178807), (47, 426377), (119, 168401), (329, 60911), (799, 25081), (3583, 5593)]