20294981

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 24047616

約数和(自身を除く): 3752635

約数列:

[1, 7, 37, 127, 259, 617, 889, 4319, 4699, 22829, 32893, 78359, 159803, 548513, 2899283, 20294981]

約数ペア:

[(1, 20294981), (7, 2899283), (37, 548513), (127, 159803), (259, 78359), (617, 32893), (889, 22829), (4319, 4699)]