20129121850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13882153}}^1$

素因数の和:13882194

約数の個数: 24

約数和(自身を含む): 38731209660

約数和(自身を除く): 18602087810

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13882153, 27764306, 69410765, 138821530, 347053825, 402582437, 694107650, 805164874, 2012912185, 4025824370, 10064560925, 20129121850]

約数ペア:

[(1, 20129121850), (2, 10064560925), (5, 4025824370), (10, 2012912185), (25, 805164874), (29, 694107650), (50, 402582437), (58, 347053825), (145, 138821530), (290, 69410765), (725, 27764306), (1450, 13882153)]