20123093776

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17713991}}^1$

素因数の和:17714070

約数の個数: 20

約数和(自身を含む): 39537630144

約数和(自身を除く): 19414536368

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17713991, 35427982, 70855964, 141711928, 283423856, 1257693361, 2515386722, 5030773444, 10061546888, 20123093776]

約数ペア:

[(1, 20123093776), (2, 10061546888), (4, 5030773444), (8, 2515386722), (16, 1257693361), (71, 283423856), (142, 141711928), (284, 70855964), (568, 35427982), (1136, 17713991)]