20904756074

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1\times {\mathrm{8111}}^1$

素因数の和:9482

約数の個数: 32

約数和(自身を含む): 33511256064

約数和(自身を除く): 12606499990

約数列:

[1, 2, 23, 43, 46, 86, 989, 1303, 1978, 2606, 8111, 16222, 29969, 56029, 59938, 112058, 186553, 348773, 373106, 697546, 1288667, 2577334, 8021779, 10568633, 16043558, 21137266, 243078559, 454451219, 486157118, 908902438, 10452378037, 20904756074]

約数ペア:

[(1, 20904756074), (2, 10452378037), (23, 908902438), (43, 486157118), (46, 454451219), (86, 243078559), (989, 21137266), (1303, 16043558), (1978, 10568633), (2606, 8021779), (8111, 2577334), (16222, 1288667), (29969, 697546), (56029, 373106), (59938, 348773), (112058, 186553)]