20394960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84979}}^1$

素因数の和:84995

約数の個数: 40

約数和(自身を含む): 63225120

約数和(自身を除く): 42830160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84979, 169958, 254937, 339916, 424895, 509874, 679832, 849790, 1019748, 1274685, 1359664, 1699580, 2039496, 2549370, 3399160, 4078992, 5098740, 6798320, 10197480, 20394960]

約数ペア:

[(1, 20394960), (2, 10197480), (3, 6798320), (4, 5098740), (5, 4078992), (6, 3399160), (8, 2549370), (10, 2039496), (12, 1699580), (15, 1359664), (16, 1274685), (20, 1019748), (24, 849790), (30, 679832), (40, 509874), (48, 424895), (60, 339916), (80, 254937), (120, 169958), (240, 84979)]