20179915431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7287799}}^1$

素因数の和:7287886

約数の個数: 16

約数和(自身を含む): 29384409600

約数和(自身を除く): 9204494169

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7287799, 21863397, 94741387, 284224161, 517433729, 1552301187, 6726638477, 20179915431]

約数ペア:

[(1, 20179915431), (3, 6726638477), (13, 1552301187), (39, 517433729), (71, 284224161), (213, 94741387), (923, 21863397), (2769, 7287799)]