20804858728

素因数分解:

$2^3\times {\mathrm{7069}}^1\times {\mathrm{367889}}^1$

素因数の和:374964

約数の個数: 16

約数和(自身を含む): 39014734500

約数和(自身を除く): 18209875772

約数列:

[1, 2, 4, 8, 7069, 14138, 28276, 56552, 367889, 735778, 1471556, 2943112, 2600607341, 5201214682, 10402429364, 20804858728]

約数ペア:

[(1, 20804858728), (2, 10402429364), (4, 5201214682), (8, 2600607341), (7069, 2943112), (14138, 1471556), (28276, 735778), (56552, 367889)]