30880556

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{20809}}^1$

素因数の和:20873

約数の個数: 24

約数和(自身を含む): 62929440

約数和(自身を除く): 32048884

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 20809, 41618, 83236, 145663, 291326, 582652, 1102877, 2205754, 4411508, 7720139, 15440278, 30880556]

約数ペア:

[(1, 30880556), (2, 15440278), (4, 7720139), (7, 4411508), (14, 2205754), (28, 1102877), (53, 582652), (106, 291326), (212, 145663), (371, 83236), (742, 41618), (1484, 20809)]