20669696

素因数分解:

$2^8\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:586

約数の個数: 36

約数和(自身を含む): 41550432

約数和(自身を除く): 20880736

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 263, 307, 526, 614, 1052, 1228, 2104, 2456, 4208, 4912, 8416, 9824, 16832, 19648, 33664, 39296, 67328, 78592, 80741, 161482, 322964, 645928, 1291856, 2583712, 5167424, 10334848, 20669696]

約数ペア:

[(1, 20669696), (2, 10334848), (4, 5167424), (8, 2583712), (16, 1291856), (32, 645928), (64, 322964), (128, 161482), (256, 80741), (263, 78592), (307, 67328), (526, 39296), (614, 33664), (1052, 19648), (1228, 16832), (2104, 9824), (2456, 8416), (4208, 4912)]