20238966979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1\times {\mathrm{2789}}^1$

素因数の和:4171

約数の個数: 32

約数和(自身を含む): 25607646720

約数和(自身を除く): 5368679741

約数列:

[1, 7, 11, 73, 77, 511, 803, 1291, 2789, 5621, 9037, 14201, 19523, 30679, 94243, 99407, 203597, 214753, 659701, 1036673, 1425179, 2239567, 3600599, 7256711, 15676969, 25204193, 39606589, 262843727, 277246123, 1839906089, 2891280997, 20238966979]

約数ペア:

[(1, 20238966979), (7, 2891280997), (11, 1839906089), (73, 277246123), (77, 262843727), (511, 39606589), (803, 25204193), (1291, 15676969), (2789, 7256711), (5621, 3600599), (9037, 2239567), (14201, 1425179), (19523, 1036673), (30679, 659701), (94243, 214753), (99407, 203597)]