20002816

素因数分解:

$2^{11}\times {\mathrm{9767}}^1$

素因数の和:9789

約数の個数: 24

約数和(自身を含む): 39999960

約数和(自身を除く): 19997144

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 9767, 19534, 39068, 78136, 156272, 312544, 625088, 1250176, 2500352, 5000704, 10001408, 20002816]

約数ペア:

[(1, 20002816), (2, 10001408), (4, 5000704), (8, 2500352), (16, 1250176), (32, 625088), (64, 312544), (128, 156272), (256, 78136), (512, 39068), (1024, 19534), (2048, 9767)]