20936748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 56093184

約数和(自身を除く): 35156436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 281, 562, 843, 887, 1124, 1686, 1774, 1967, 2661, 3372, 3548, 3934, 5322, 5901, 6209, 7868, 10644, 11802, 12418, 18627, 23604, 24836, 37254, 74508, 249247, 498494, 747741, 996988, 1495482, 1744729, 2990964, 3489458, 5234187, 6978916, 10468374, 20936748]

約数ペア:

[(1, 20936748), (2, 10468374), (3, 6978916), (4, 5234187), (6, 3489458), (7, 2990964), (12, 1744729), (14, 1495482), (21, 996988), (28, 747741), (42, 498494), (84, 249247), (281, 74508), (562, 37254), (843, 24836), (887, 23604), (1124, 18627), (1686, 12418), (1774, 11802), (1967, 10644), (2661, 7868), (3372, 6209), (3548, 5901), (3934, 5322)]