20161257248

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{82889}}^1$

素因数の和:83601

約数の個数: 48

約数和(自身を含む): 43364069280

約数和(自身を除く): 23202812032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 691, 1382, 2764, 5528, 7601, 11056, 15202, 22112, 30404, 60808, 82889, 121616, 165778, 243232, 331556, 663112, 911779, 1326224, 1823558, 2652448, 3647116, 7294232, 14588464, 29176928, 57276299, 114552598, 229105196, 458210392, 630039289, 916420784, 1260078578, 1832841568, 2520157156, 5040314312, 10080628624, 20161257248]

約数ペア:

[(1, 20161257248), (2, 10080628624), (4, 5040314312), (8, 2520157156), (11, 1832841568), (16, 1260078578), (22, 916420784), (32, 630039289), (44, 458210392), (88, 229105196), (176, 114552598), (352, 57276299), (691, 29176928), (1382, 14588464), (2764, 7294232), (5528, 3647116), (7601, 2652448), (11056, 1823558), (15202, 1326224), (22112, 911779), (30404, 663112), (60808, 331556), (82889, 243232), (121616, 165778)]