20791424

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 41779200

約数和(自身を除く): 20987776

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 1279, 2032, 2558, 4064, 5116, 8128, 10232, 16256, 20464, 40928, 81856, 162433, 163712, 324866, 649732, 1299464, 2598928, 5197856, 10395712, 20791424]

約数ペア:

[(1, 20791424), (2, 10395712), (4, 5197856), (8, 2598928), (16, 1299464), (32, 649732), (64, 324866), (127, 163712), (128, 162433), (254, 81856), (508, 40928), (1016, 20464), (1279, 16256), (2032, 10232), (2558, 8128), (4064, 5116)]