20306583

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 36

約数和(自身を含む): 33404280

約数和(自身を除く): 13097697

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 121, 261, 319, 363, 643, 957, 1089, 1929, 2871, 3509, 5787, 7073, 10527, 18647, 21219, 31581, 55941, 63657, 77803, 167823, 205117, 233409, 615351, 700227, 1846053, 2256287, 6768861, 20306583]

約数ペア:

[(1, 20306583), (3, 6768861), (9, 2256287), (11, 1846053), (29, 700227), (33, 615351), (87, 233409), (99, 205117), (121, 167823), (261, 77803), (319, 63657), (363, 55941), (643, 31581), (957, 21219), (1089, 18647), (1929, 10527), (2871, 7073), (3509, 5787)]