20471180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15277}}^1$

素因数の和:15353

約数の個数: 24

約数和(自身を含む): 43633968

約数和(自身を除く): 23162788

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 15277, 30554, 61108, 76385, 152770, 305540, 1023559, 2047118, 4094236, 5117795, 10235590, 20471180]

約数ペア:

[(1, 20471180), (2, 10235590), (4, 5117795), (5, 4094236), (10, 2047118), (20, 1023559), (67, 305540), (134, 152770), (268, 76385), (335, 61108), (670, 30554), (1340, 15277)]