20002829

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 28071360

約数和(自身を除く): 8068531

約数列:

[1, 7, 11, 17, 37, 49, 59, 77, 119, 187, 259, 407, 413, 539, 629, 649, 833, 1003, 1309, 1813, 2183, 2849, 2891, 4403, 4543, 6919, 7021, 9163, 11033, 15281, 19943, 24013, 30821, 31801, 37111, 48433, 49147, 77231, 106967, 168091, 259777, 339031, 408221, 540617, 1176637, 1818439, 2857547, 20002829]

約数ペア:

[(1, 20002829), (7, 2857547), (11, 1818439), (17, 1176637), (37, 540617), (49, 408221), (59, 339031), (77, 259777), (119, 168091), (187, 106967), (259, 77231), (407, 49147), (413, 48433), (539, 37111), (629, 31801), (649, 30821), (833, 24013), (1003, 19943), (1309, 15281), (1813, 11033), (2183, 9163), (2849, 7021), (2891, 6919), (4403, 4543)]