20321000312

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{1973}}^1\times {\mathrm{18133}}^1$

素因数の和:20183

約数の個数: 32

約数和(自身を含む): 38660237280

約数和(自身を除く): 18339236968

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 1973, 3946, 7892, 15784, 18133, 36266, 72532, 140083, 145064, 280166, 560332, 1120664, 1287443, 2574886, 5149772, 10299544, 35776409, 71552818, 143105636, 286211272, 2540125039, 5080250078, 10160500156, 20321000312]

約数ペア:

[(1, 20321000312), (2, 10160500156), (4, 5080250078), (8, 2540125039), (71, 286211272), (142, 143105636), (284, 71552818), (568, 35776409), (1973, 10299544), (3946, 5149772), (7892, 2574886), (15784, 1287443), (18133, 1120664), (36266, 560332), (72532, 280166), (140083, 145064)]