20122270091

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{709}}^1\times {\mathrm{1871}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 25263912960

約数和(自身を除く): 5141642869

約数列:

[1, 7, 11, 77, 197, 709, 1379, 1871, 2167, 4963, 7799, 13097, 15169, 20581, 54593, 139673, 144067, 368587, 977711, 1326539, 1536403, 2580109, 4054457, 9285773, 10754821, 14591929, 28381199, 102143503, 261328183, 1829297281, 2874610013, 20122270091]

約数ペア:

[(1, 20122270091), (7, 2874610013), (11, 1829297281), (77, 261328183), (197, 102143503), (709, 28381199), (1379, 14591929), (1871, 10754821), (2167, 9285773), (4963, 4054457), (7799, 2580109), (13097, 1536403), (15169, 1326539), (20581, 977711), (54593, 368587), (139673, 144067)]