20975940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116533}}^1$

素因数の和:116548

約数の個数: 36

約数和(自身を含む): 63627564

約数和(自身を除く): 42651624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116533, 233066, 349599, 466132, 582665, 699198, 1048797, 1165330, 1398396, 1747995, 2097594, 2330660, 3495990, 4195188, 5243985, 6991980, 10487970, 20975940]

約数ペア:

[(1, 20975940), (2, 10487970), (3, 6991980), (4, 5243985), (5, 4195188), (6, 3495990), (9, 2330660), (10, 2097594), (12, 1747995), (15, 1398396), (18, 1165330), (20, 1048797), (30, 699198), (36, 582665), (45, 466132), (60, 349599), (90, 233066), (180, 116533)]