20543910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2437}}^1$

素因数の和:2728

約数の個数: 32

約数和(自身を含む): 49501152

約数和(自身を除く): 28957242

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2437, 2810, 4215, 4874, 7311, 8430, 12185, 14622, 24370, 36555, 73110, 684797, 1369594, 2054391, 3423985, 4108782, 6847970, 10271955, 20543910]

約数ペア:

[(1, 20543910), (2, 10271955), (3, 6847970), (5, 4108782), (6, 3423985), (10, 2054391), (15, 1369594), (30, 684797), (281, 73110), (562, 36555), (843, 24370), (1405, 14622), (1686, 12185), (2437, 8430), (2810, 7311), (4215, 4874)]