20823883585

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{177217}}^1$

素因数の和:177624

約数の個数: 16

約数和(自身を含む): 25417314432

約数和(自身を除く): 4593430847

約数列:

[1, 5, 71, 331, 355, 1655, 23501, 117505, 177217, 886085, 12582407, 58658827, 62912035, 293294135, 4164776717, 20823883585]

約数ペア:

[(1, 20823883585), (5, 4164776717), (71, 293294135), (331, 62912035), (355, 58658827), (1655, 12582407), (23501, 886085), (117505, 177217)]