20984967849

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^2\times {\mathrm{45263}}^1$

素因数の和:45441

約数の個数: 24

約数和(自身を含む): 29347367040

約数和(自身を除く): 8362399191

約数列:

[1, 3, 29, 73, 87, 219, 2117, 5329, 6351, 15987, 45263, 135789, 154541, 463623, 1312627, 3304199, 3937881, 9912597, 95821771, 241206527, 287465313, 723619581, 6994989283, 20984967849]

約数ペア:

[(1, 20984967849), (3, 6994989283), (29, 723619581), (73, 287465313), (87, 241206527), (219, 95821771), (2117, 9912597), (5329, 3937881), (6351, 3304199), (15987, 1312627), (45263, 463623), (135789, 154541)]