20324528

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9551}}^1$

素因数の和:9585

約数の個数: 40

約数和(自身を含む): 47377920

約数和(自身を除く): 27053392

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9551, 19102, 38204, 66857, 76408, 133714, 152816, 181469, 267428, 362938, 534856, 725876, 1069712, 1270283, 1451752, 2540566, 2903504, 5081132, 10162264, 20324528]

約数ペア:

[(1, 20324528), (2, 10162264), (4, 5081132), (7, 2903504), (8, 2540566), (14, 1451752), (16, 1270283), (19, 1069712), (28, 725876), (38, 534856), (56, 362938), (76, 267428), (112, 181469), (133, 152816), (152, 133714), (266, 76408), (304, 66857), (532, 38204), (1064, 19102), (2128, 9551)]