20581728

素因数分解:

$2^5\times 3^1\times {\mathrm{269}}^1\times {\mathrm{797}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 54295920

約数和(自身を除く): 33714192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 269, 538, 797, 807, 1076, 1594, 1614, 2152, 2391, 3188, 3228, 4304, 4782, 6376, 6456, 8608, 9564, 12752, 12912, 19128, 25504, 25824, 38256, 76512, 214393, 428786, 643179, 857572, 1286358, 1715144, 2572716, 3430288, 5145432, 6860576, 10290864, 20581728]

約数ペア:

[(1, 20581728), (2, 10290864), (3, 6860576), (4, 5145432), (6, 3430288), (8, 2572716), (12, 1715144), (16, 1286358), (24, 857572), (32, 643179), (48, 428786), (96, 214393), (269, 76512), (538, 38256), (797, 25824), (807, 25504), (1076, 19128), (1594, 12912), (1614, 12752), (2152, 9564), (2391, 8608), (3188, 6456), (3228, 6376), (4304, 4782)]