20528028004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{3691}}^1\times {\mathrm{11491}}^1$

素因数の和:15208

約数の個数: 36

約数和(自身を含む): 39500899984

約数和(自身を除く): 18972871980

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 3691, 7382, 11491, 14764, 22982, 40601, 45964, 81202, 126401, 162404, 252802, 446611, 505604, 893222, 1390411, 1786444, 2780822, 5561644, 42413281, 84826562, 169653124, 466546091, 933092182, 1866184364, 5132007001, 10264014002, 20528028004]

約数ペア:

[(1, 20528028004), (2, 10264014002), (4, 5132007001), (11, 1866184364), (22, 933092182), (44, 466546091), (121, 169653124), (242, 84826562), (484, 42413281), (3691, 5561644), (7382, 2780822), (11491, 1786444), (14764, 1390411), (22982, 893222), (40601, 505604), (45964, 446611), (81202, 252802), (126401, 162404)]