20196410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{461}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 39351312

約数和(自身を除く): 19154902

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 461, 674, 922, 1685, 2305, 3370, 4381, 4610, 5993, 8762, 11986, 21905, 29965, 43810, 59930, 155357, 310714, 776785, 1553570, 2019641, 4039282, 10098205, 20196410]

約数ペア:

[(1, 20196410), (2, 10098205), (5, 4039282), (10, 2019641), (13, 1553570), (26, 776785), (65, 310714), (130, 155357), (337, 59930), (461, 43810), (674, 29965), (922, 21905), (1685, 11986), (2305, 8762), (3370, 5993), (4381, 4610)]