20589049168

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{39659}}^1$

素因数の和:40195

約数の個数: 40

約数和(自身を含む): 40542672960

約数和(自身を除く): 19953623792

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 457, 568, 914, 1136, 1828, 3656, 7312, 32447, 39659, 64894, 79318, 129788, 158636, 259576, 317272, 519152, 634544, 2815789, 5631578, 11263156, 18124163, 22526312, 36248326, 45052624, 72496652, 144993304, 289986608, 1286815573, 2573631146, 5147262292, 10294524584, 20589049168]

約数ペア:

[(1, 20589049168), (2, 10294524584), (4, 5147262292), (8, 2573631146), (16, 1286815573), (71, 289986608), (142, 144993304), (284, 72496652), (457, 45052624), (568, 36248326), (914, 22526312), (1136, 18124163), (1828, 11263156), (3656, 5631578), (7312, 2815789), (32447, 634544), (39659, 519152), (64894, 317272), (79318, 259576), (129788, 158636)]