20120031573

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{20899}}^1$

素因数の和:21401

約数の個数: 32

約数和(自身を含む): 29132928000

約数和(自身を除く): 9012896427

約数列:

[1, 3, 17, 43, 51, 129, 439, 731, 1317, 2193, 7463, 18877, 20899, 22389, 56631, 62697, 320909, 355283, 898657, 962727, 1065849, 2695971, 9174661, 15277169, 27523983, 45831507, 155969237, 394510423, 467907711, 1183531269, 6706677191, 20120031573]

約数ペア:

[(1, 20120031573), (3, 6706677191), (17, 1183531269), (43, 467907711), (51, 394510423), (129, 155969237), (439, 45831507), (731, 27523983), (1317, 15277169), (2193, 9174661), (7463, 2695971), (18877, 1065849), (20899, 962727), (22389, 898657), (56631, 355283), (62697, 320909)]