20693940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1109}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 58181760

約数和(自身を除く): 37487820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1109, 1244, 1555, 1866, 2218, 3110, 3327, 3732, 4436, 4665, 5545, 6220, 6654, 9330, 11090, 13308, 16635, 18660, 22180, 33270, 66540, 344899, 689798, 1034697, 1379596, 1724495, 2069394, 3448990, 4138788, 5173485, 6897980, 10346970, 20693940]

約数ペア:

[(1, 20693940), (2, 10346970), (3, 6897980), (4, 5173485), (5, 4138788), (6, 3448990), (10, 2069394), (12, 1724495), (15, 1379596), (20, 1034697), (30, 689798), (60, 344899), (311, 66540), (622, 33270), (933, 22180), (1109, 18660), (1244, 16635), (1555, 13308), (1866, 11090), (2218, 9330), (3110, 6654), (3327, 6220), (3732, 5545), (4436, 4665)]