2017128220

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{128153}}^1$

素因数の和:128949

約数の個数: 24

約数和(自身を含む): 4241384784

約数和(自身を除く): 2224256564

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 7870, 15740, 128153, 256306, 512612, 640765, 1281530, 2563060, 100856411, 201712822, 403425644, 504282055, 1008564110, 2017128220]

約数ペア:

[(1, 2017128220), (2, 1008564110), (4, 504282055), (5, 403425644), (10, 201712822), (20, 100856411), (787, 2563060), (1574, 1281530), (3148, 640765), (3935, 512612), (7870, 256306), (15740, 128153)]