20996935916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43382099}}^1$

素因数の和:43382125

約数の個数: 18

約数和(自身を含む): 40388735100

約数和(自身を除く): 19391799184

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 43382099, 86764198, 173528396, 477203089, 954406178, 1908812356, 5249233979, 10498467958, 20996935916]

約数ペア:

[(1, 20996935916), (2, 10498467958), (4, 5249233979), (11, 1908812356), (22, 954406178), (44, 477203089), (121, 173528396), (242, 86764198), (484, 43382099)]