20201521604

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{970667}}^1$

素因数の和:970736

約数の個数: 36

約数和(自身を含む): 39762443952

約数和(自身を除く): 19560922348

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 1892, 5203, 10406, 20812, 970667, 1941334, 3882668, 10677337, 21354674, 41738681, 42709348, 83477362, 117450707, 166954724, 234901414, 459125491, 469802828, 918250982, 1836501964, 5050380401, 10100760802, 20201521604]

約数ペア:

[(1, 20201521604), (2, 10100760802), (4, 5050380401), (11, 1836501964), (22, 918250982), (43, 469802828), (44, 459125491), (86, 234901414), (121, 166954724), (172, 117450707), (242, 83477362), (473, 42709348), (484, 41738681), (946, 21354674), (1892, 10677337), (5203, 3882668), (10406, 1941334), (20812, 970667)]