20728103637

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1\times {\mathrm{295411}}^1$

素因数の和:296664

約数の個数: 16

約数和(自身を含む): 29115806720

約数和(自身を除く): 8387703083

約数列:

[1, 3, 19, 57, 1231, 3693, 23389, 70167, 295411, 886233, 5612809, 16838427, 363650941, 1090952823, 6909367879, 20728103637]

約数ペア:

[(1, 20728103637), (3, 6909367879), (19, 1090952823), (57, 363650941), (1231, 16838427), (3693, 5612809), (23389, 886233), (70167, 295411)]