15744920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20717}}^1$

素因数の和:20747

約数の個数: 32

約数和(自身を含む): 37292400

約数和(自身を除く): 21547480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20717, 41434, 82868, 103585, 165736, 207170, 393623, 414340, 787246, 828680, 1574492, 1968115, 3148984, 3936230, 7872460, 15744920]

約数ペア:

[(1, 15744920), (2, 7872460), (4, 3936230), (5, 3148984), (8, 1968115), (10, 1574492), (19, 828680), (20, 787246), (38, 414340), (40, 393623), (76, 207170), (95, 165736), (152, 103585), (190, 82868), (380, 41434), (760, 20717)]