20473216

素因数分解:

$2^7\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 40997880

約数和(自身を除く): 20524664

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 307, 521, 614, 1042, 1228, 2084, 2456, 4168, 4912, 8336, 9824, 16672, 19648, 33344, 39296, 66688, 159947, 319894, 639788, 1279576, 2559152, 5118304, 10236608, 20473216]

約数ペア:

[(1, 20473216), (2, 10236608), (4, 5118304), (8, 2559152), (16, 1279576), (32, 639788), (64, 319894), (128, 159947), (307, 66688), (521, 39296), (614, 33344), (1042, 19648), (1228, 16672), (2084, 9824), (2456, 8336), (4168, 4912)]