20057618

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15884782

約数列:

[1, 2, 7, 14, 29, 58, 127, 203, 254, 389, 406, 778, 889, 1778, 2723, 3683, 5446, 7366, 11281, 22562, 25781, 49403, 51562, 78967, 98806, 157934, 345821, 691642, 1432687, 2865374, 10028809, 20057618]

約数ペア:

[(1, 20057618), (2, 10028809), (7, 2865374), (14, 1432687), (29, 691642), (58, 345821), (127, 157934), (203, 98806), (254, 78967), (389, 51562), (406, 49403), (778, 25781), (889, 22562), (1778, 11281), (2723, 7366), (3683, 5446)]