20527440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85531}}^1$

素因数の和:85547

約数の個数: 40

約数和(自身を含む): 63635808

約数和(自身を除く): 43108368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85531, 171062, 256593, 342124, 427655, 513186, 684248, 855310, 1026372, 1282965, 1368496, 1710620, 2052744, 2565930, 3421240, 4105488, 5131860, 6842480, 10263720, 20527440]

約数ペア:

[(1, 20527440), (2, 10263720), (3, 6842480), (4, 5131860), (5, 4105488), (6, 3421240), (8, 2565930), (10, 2052744), (12, 1710620), (15, 1368496), (16, 1282965), (20, 1026372), (24, 855310), (30, 684248), (40, 513186), (48, 427655), (60, 342124), (80, 256593), (120, 171062), (240, 85531)]