202019420

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{21911}}^1$

素因数の和:22381

約数の個数: 24

約数和(自身を含む): 425180448

約数和(自身を除く): 223161028

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 21911, 43822, 87644, 109555, 219110, 438220, 10100971, 20201942, 40403884, 50504855, 101009710, 202019420]

約数ペア:

[(1, 202019420), (2, 101009710), (4, 50504855), (5, 40403884), (10, 20201942), (20, 10100971), (461, 438220), (922, 219110), (1844, 109555), (2305, 87644), (4610, 43822), (9220, 21911)]