20894764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1926

約数の個数: 36

約数和(自身を含む): 41962032

約数和(自身を除く): 21067268

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 1012, 1877, 2783, 3754, 5566, 7508, 11132, 20647, 41294, 43171, 82588, 86342, 172684, 227117, 454234, 474881, 908468, 949762, 1899524, 5223691, 10447382, 20894764]

約数ペア:

[(1, 20894764), (2, 10447382), (4, 5223691), (11, 1899524), (22, 949762), (23, 908468), (44, 474881), (46, 454234), (92, 227117), (121, 172684), (242, 86342), (253, 82588), (484, 43171), (506, 41294), (1012, 20647), (1877, 11132), (2783, 7508), (3754, 5566)]