20274261

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 11901099

約数列:

[1, 3, 7, 21, 37, 97, 111, 259, 269, 291, 679, 777, 807, 1883, 2037, 3589, 5649, 9953, 10767, 25123, 26093, 29859, 69671, 75369, 78279, 182651, 209013, 547953, 965441, 2896323, 6758087, 20274261]

約数ペア:

[(1, 20274261), (3, 6758087), (7, 2896323), (21, 965441), (37, 547953), (97, 209013), (111, 182651), (259, 78279), (269, 75369), (291, 69671), (679, 29859), (777, 26093), (807, 25123), (1883, 10767), (2037, 9953), (3589, 5649)]