20202111

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 32880640

約数和(自身を除く): 12678529

約数列:

[1, 3, 9, 19, 31, 37, 57, 93, 103, 111, 171, 279, 309, 333, 589, 703, 927, 1147, 1767, 1957, 2109, 3193, 3441, 3811, 5301, 5871, 6327, 9579, 10323, 11433, 17613, 21793, 28737, 34299, 60667, 65379, 72409, 118141, 182001, 196137, 217227, 354423, 546003, 651681, 1063269, 2244679, 6734037, 20202111]

約数ペア:

[(1, 20202111), (3, 6734037), (9, 2244679), (19, 1063269), (31, 651681), (37, 546003), (57, 354423), (93, 217227), (103, 196137), (111, 182001), (171, 118141), (279, 72409), (309, 65379), (333, 60667), (589, 34299), (703, 28737), (927, 21793), (1147, 17613), (1767, 11433), (1957, 10323), (2109, 9579), (3193, 6327), (3441, 5871), (3811, 5301)]