20213138881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{328931}}^1$

素因数の和:329136

約数の個数: 16

約数和(自身を含む): 22656836160

約数和(自身を除く): 2443697279

約数列:

[1, 13, 29, 163, 377, 2119, 4727, 61451, 328931, 4276103, 9538999, 53615753, 124006987, 697004789, 1554856837, 20213138881]

約数ペア:

[(1, 20213138881), (13, 1554856837), (29, 697004789), (163, 124006987), (377, 53615753), (2119, 9538999), (4727, 4276103), (61451, 328931)]