20579416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17989}}^1$

素因数の和:18019

約数の個数: 32

約数和(自身を含む): 45334800

約数和(自身を除く): 24755384

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17989, 35978, 71956, 143912, 197879, 233857, 395758, 467714, 791516, 935428, 1583032, 1870856, 2572427, 5144854, 10289708, 20579416]

約数ペア:

[(1, 20579416), (2, 10289708), (4, 5144854), (8, 2572427), (11, 1870856), (13, 1583032), (22, 935428), (26, 791516), (44, 467714), (52, 395758), (88, 233857), (104, 197879), (143, 143912), (286, 71956), (572, 35978), (1144, 17989)]