20268268

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1489}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 36797040

約数和(自身を除く): 16528772

約数列:

[1, 2, 4, 41, 82, 83, 164, 166, 332, 1489, 2978, 3403, 5956, 6806, 13612, 61049, 122098, 123587, 244196, 247174, 494348, 5067067, 10134134, 20268268]

約数ペア:

[(1, 20268268), (2, 10134134), (4, 5067067), (41, 494348), (82, 247174), (83, 244196), (164, 123587), (166, 122098), (332, 61049), (1489, 13612), (2978, 6806), (3403, 5956)]