20194550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9851}}^1$

素因数の和:9904

約数の個数: 24

約数和(自身を含む): 38481912

約数和(自身を除く): 18287362

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9851, 19702, 49255, 98510, 246275, 403891, 492550, 807782, 2019455, 4038910, 10097275, 20194550]

約数ペア:

[(1, 20194550), (2, 10097275), (5, 4038910), (10, 2019455), (25, 807782), (41, 492550), (50, 403891), (82, 246275), (205, 98510), (410, 49255), (1025, 19702), (2050, 9851)]