20921837287

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1\times {\mathrm{3323}}^1$

素因数の和:4303

約数の個数: 32

約数和(自身を含む): 24660357120

約数和(自身を除く): 3738519833

約数列:

[1, 13, 17, 31, 221, 403, 527, 919, 3323, 6851, 11947, 15623, 28489, 43199, 56491, 103013, 203099, 370357, 484313, 734383, 1339169, 1751221, 3053837, 6296069, 22765873, 39699881, 51915229, 94668947, 674897977, 1230696311, 1609372099, 20921837287]

約数ペア:

[(1, 20921837287), (13, 1609372099), (17, 1230696311), (31, 674897977), (221, 94668947), (403, 51915229), (527, 39699881), (919, 22765873), (3323, 6296069), (6851, 3053837), (11947, 1751221), (15623, 1339169), (28489, 734383), (43199, 484313), (56491, 370357), (103013, 203099)]