20124039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10841721

約数列:

[1, 3, 13, 17, 39, 51, 127, 221, 239, 381, 663, 717, 1651, 2159, 3107, 4063, 4953, 6477, 9321, 12189, 28067, 30353, 52819, 84201, 91059, 158457, 394589, 516001, 1183767, 1548003, 6708013, 20124039]

約数ペア:

[(1, 20124039), (3, 6708013), (13, 1548003), (17, 1183767), (39, 516001), (51, 394589), (127, 158457), (221, 91059), (239, 84201), (381, 52819), (663, 30353), (717, 28067), (1651, 12189), (2159, 9321), (3107, 6477), (4063, 4953)]