20984536

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{4157}}^1$

素因数の和:4794

約数の個数: 16

約数和(自身を含む): 39417840

約数和(自身を除く): 18433304

約数列:

[1, 2, 4, 8, 631, 1262, 2524, 4157, 5048, 8314, 16628, 33256, 2623067, 5246134, 10492268, 20984536]

約数ペア:

[(1, 20984536), (2, 10492268), (4, 5246134), (8, 2623067), (631, 33256), (1262, 16628), (2524, 8314), (4157, 5048)]