20781617768

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{193}}^1\times {\mathrm{46573}}^1$

素因数の和:46806

約数の個数: 48

約数和(自身を含む): 41607814380

約数和(自身を除く): 20826196612

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 193, 289, 386, 578, 772, 1156, 1544, 2312, 3281, 6562, 13124, 26248, 46573, 55777, 93146, 111554, 186292, 223108, 372584, 446216, 791741, 1583482, 3166964, 6333928, 8988589, 13459597, 17977178, 26919194, 35954356, 53838388, 71908712, 107676776, 152806013, 305612026, 611224052, 1222448104, 2597702221, 5195404442, 10390808884, 20781617768]

約数ペア:

[(1, 20781617768), (2, 10390808884), (4, 5195404442), (8, 2597702221), (17, 1222448104), (34, 611224052), (68, 305612026), (136, 152806013), (193, 107676776), (289, 71908712), (386, 53838388), (578, 35954356), (772, 26919194), (1156, 17977178), (1544, 13459597), (2312, 8988589), (3281, 6333928), (6562, 3166964), (13124, 1583482), (26248, 791741), (46573, 446216), (55777, 372584), (93146, 223108), (111554, 186292)]