20138136486

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8328427}}^1$

素因数の和:8328476

約数の個数: 32

約数和(自身を含む): 44773628928

約数和(自身を除く): 24635492442

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8328427, 16656854, 24985281, 49970562, 108269551, 216539102, 258181237, 324808653, 516362474, 649617306, 774543711, 1549087422, 3356356081, 6712712162, 10069068243, 20138136486]

約数ペア:

[(1, 20138136486), (2, 10069068243), (3, 6712712162), (6, 3356356081), (13, 1549087422), (26, 774543711), (31, 649617306), (39, 516362474), (62, 324808653), (78, 258181237), (93, 216539102), (186, 108269551), (403, 49970562), (806, 24985281), (1209, 16656854), (2418, 8328427)]