20122780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15017}}^1$

素因数の和:15093

約数の個数: 24

約数和(自身を含む): 42891408

約数和(自身を除く): 22768628

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 15017, 30034, 60068, 75085, 150170, 300340, 1006139, 2012278, 4024556, 5030695, 10061390, 20122780]

約数ペア:

[(1, 20122780), (2, 10061390), (4, 5030695), (5, 4024556), (10, 2012278), (20, 1006139), (67, 300340), (134, 150170), (268, 75085), (335, 60068), (670, 30034), (1340, 15017)]