20072880860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{192749}}^1$

素因数の和:192926

約数の個数: 48

約数和(自身を含む): 43521408000

約数和(自身を除く): 23448527140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 820, 1270, 2540, 5207, 10414, 20828, 26035, 52070, 104140, 192749, 385498, 770996, 963745, 1927490, 3854980, 7902709, 15805418, 24479123, 31610836, 39513545, 48958246, 79027090, 97916492, 122395615, 158054180, 244791230, 489582460, 1003644043, 2007288086, 4014576172, 5018220215, 10036440430, 20072880860]

約数ペア:

[(1, 20072880860), (2, 10036440430), (4, 5018220215), (5, 4014576172), (10, 2007288086), (20, 1003644043), (41, 489582460), (82, 244791230), (127, 158054180), (164, 122395615), (205, 97916492), (254, 79027090), (410, 48958246), (508, 39513545), (635, 31610836), (820, 24479123), (1270, 15805418), (2540, 7902709), (5207, 3854980), (10414, 1927490), (20828, 963745), (26035, 770996), (52070, 385498), (104140, 192749)]