20761556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1447}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 38678976

約数和(自身を除く): 17917420

約数列:

[1, 2, 4, 17, 34, 68, 211, 422, 844, 1447, 2894, 3587, 5788, 7174, 14348, 24599, 49198, 98396, 305317, 610634, 1221268, 5190389, 10380778, 20761556]

約数ペア:

[(1, 20761556), (2, 10380778), (4, 5190389), (17, 1221268), (34, 610634), (68, 305317), (211, 98396), (422, 49198), (844, 24599), (1447, 14348), (2894, 7174), (3587, 5788)]