20187712799

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{27997}}^1$

素因数の和:28490

約数の個数: 16

約数和(自身を含む): 21213524640

約数和(自身を除く): 1025811841

約数列:

[1, 41, 43, 409, 1763, 16769, 17587, 27997, 721067, 1147877, 1203871, 11450773, 49358711, 469481693, 492383239, 20187712799]

約数ペア:

[(1, 20187712799), (41, 492383239), (43, 469481693), (409, 49358711), (1763, 11450773), (16769, 1203871), (17587, 1147877), (27997, 721067)]