20448161

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 24624000

約数和(自身を除く): 4175839

約数列:

[1, 17, 19, 29, 37, 59, 323, 493, 551, 629, 703, 1003, 1073, 1121, 1711, 2183, 9367, 11951, 18241, 19057, 20387, 29087, 32509, 37111, 41477, 63307, 346579, 552653, 705109, 1076219, 1202833, 20448161]

約数ペア:

[(1, 20448161), (17, 1202833), (19, 1076219), (29, 705109), (37, 552653), (59, 346579), (323, 63307), (493, 41477), (551, 37111), (629, 32509), (703, 29087), (1003, 20387), (1073, 19057), (1121, 18241), (1711, 11951), (2183, 9367)]