20954585

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 4955047

約数列:

[1, 5, 67, 71, 335, 355, 881, 4405, 4757, 23785, 59027, 62551, 295135, 312755, 4190917, 20954585]

約数ペア:

[(1, 20954585), (5, 4190917), (67, 312755), (71, 295135), (335, 62551), (355, 59027), (881, 23785), (4405, 4757)]