20100071140

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1998019}}^1$

素因数の和:1998531

約数の個数: 24

約数和(自身を含む): 42294087360

約数和(自身を除く): 22194016220

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 1998019, 3996038, 7992076, 9990095, 19980190, 39960380, 1005003557, 2010007114, 4020014228, 5025017785, 10050035570, 20100071140]

約数ペア:

[(1, 20100071140), (2, 10050035570), (4, 5025017785), (5, 4020014228), (10, 2010007114), (20, 1005003557), (503, 39960380), (1006, 19980190), (2012, 9990095), (2515, 7992076), (5030, 3996038), (10060, 1998019)]