20490688

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2521}}^1$

素因数の和:2660

約数の個数: 28

約数和(自身を含む): 40997632

約数和(自身を除く): 20506944

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2521, 4064, 5042, 8128, 10084, 20168, 40336, 80672, 161344, 320167, 640334, 1280668, 2561336, 5122672, 10245344, 20490688]

約数ペア:

[(1, 20490688), (2, 10245344), (4, 5122672), (8, 2561336), (16, 1280668), (32, 640334), (64, 320167), (127, 161344), (254, 80672), (508, 40336), (1016, 20168), (2032, 10084), (2521, 8128), (4064, 5042)]