20888880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87037}}^1$

素因数の和:87053

約数の個数: 40

約数和(自身を含む): 64756272

約数和(自身を除く): 43867392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87037, 174074, 261111, 348148, 435185, 522222, 696296, 870370, 1044444, 1305555, 1392592, 1740740, 2088888, 2611110, 3481480, 4177776, 5222220, 6962960, 10444440, 20888880]

約数ペア:

[(1, 20888880), (2, 10444440), (3, 6962960), (4, 5222220), (5, 4177776), (6, 3481480), (8, 2611110), (10, 2088888), (12, 1740740), (15, 1392592), (16, 1305555), (20, 1044444), (24, 870370), (30, 696296), (40, 522222), (48, 435185), (60, 348148), (80, 261111), (120, 174074), (240, 87037)]