20123849072

素因数分解:

$2^4\times {\mathrm{1823}}^1\times {\mathrm{689929}}^1$

素因数の和:691760

約数の個数: 20

約数和(自身を含む): 39011401920

約数和(自身を除く): 18887552848

約数列:

[1, 2, 4, 8, 16, 1823, 3646, 7292, 14584, 29168, 689929, 1379858, 2759716, 5519432, 11038864, 1257740567, 2515481134, 5030962268, 10061924536, 20123849072]

約数ペア:

[(1, 20123849072), (2, 10061924536), (4, 5030962268), (8, 2515481134), (16, 1257740567), (1823, 11038864), (3646, 5519432), (7292, 2759716), (14584, 1379858), (29168, 689929)]