20014640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8627}}^1$

素因数の和:8669

約数の個数: 40

約数和(自身を含む): 48144240

約数和(自身を除く): 28129600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8627, 17254, 34508, 43135, 69016, 86270, 138032, 172540, 250183, 345080, 500366, 690160, 1000732, 1250915, 2001464, 2501830, 4002928, 5003660, 10007320, 20014640]

約数ペア:

[(1, 20014640), (2, 10007320), (4, 5003660), (5, 4002928), (8, 2501830), (10, 2001464), (16, 1250915), (20, 1000732), (29, 690160), (40, 500366), (58, 345080), (80, 250183), (116, 172540), (145, 138032), (232, 86270), (290, 69016), (464, 43135), (580, 34508), (1160, 17254), (2320, 8627)]