20488672

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37663}}^1$

素因数の和:37690

約数の個数: 24

約数和(自身を含む): 42710976

約数和(自身を除く): 22222304

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37663, 75326, 150652, 301304, 602608, 640271, 1205216, 1280542, 2561084, 5122168, 10244336, 20488672]

約数ペア:

[(1, 20488672), (2, 10244336), (4, 5122168), (8, 2561084), (16, 1280542), (17, 1205216), (32, 640271), (34, 602608), (68, 301304), (136, 150652), (272, 75326), (544, 37663)]