20009968984

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{125269}}^1$

素因数の和:125803

約数の個数: 32

約数和(自身を含む): 38513008800

約数和(自身を除く): 18503039816

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 487, 974, 1948, 3896, 19967, 39934, 79868, 125269, 159736, 250538, 501076, 1002152, 5136029, 10272058, 20544116, 41088232, 61006003, 122012006, 244024012, 488048024, 2501246123, 5002492246, 10004984492, 20009968984]

約数ペア:

[(1, 20009968984), (2, 10004984492), (4, 5002492246), (8, 2501246123), (41, 488048024), (82, 244024012), (164, 122012006), (328, 61006003), (487, 41088232), (974, 20544116), (1948, 10272058), (3896, 5136029), (19967, 1002152), (39934, 501076), (79868, 250538), (125269, 159736)]