20791064

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2671}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 44889600

約数和(自身を除く): 24098536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2671, 3892, 5342, 7784, 10684, 18697, 21368, 37394, 74788, 149576, 371269, 742538, 1485076, 2598883, 2970152, 5197766, 10395532, 20791064]

約数ペア:

[(1, 20791064), (2, 10395532), (4, 5197766), (7, 2970152), (8, 2598883), (14, 1485076), (28, 742538), (56, 371269), (139, 149576), (278, 74788), (556, 37394), (973, 21368), (1112, 18697), (1946, 10684), (2671, 7784), (3892, 5342)]