20447266

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11149}}^1$

素因数の和:11289

約数の個数: 16

約数和(自身を含む): 35323200

約数和(自身を除く): 14875934

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11149, 22298, 78043, 156086, 1460519, 2921038, 10223633, 20447266]

約数ペア:

[(1, 20447266), (2, 10223633), (7, 2921038), (14, 1460519), (131, 156086), (262, 78043), (917, 22298), (1834, 11149)]