20500467

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4139}}^1$

素因数の和:4282

約数の個数: 16

約数和(自身を含む): 29675520

約数和(自身を除く): 9175053

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4139, 4953, 12417, 53807, 161421, 525653, 1576959, 6833489, 20500467]

約数ペア:

[(1, 20500467), (3, 6833489), (13, 1576959), (39, 525653), (127, 161421), (381, 53807), (1651, 12417), (4139, 4953)]