20939392

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5641}}^1$

素因数の和:5684

約数の個数: 32

約数和(自身を含む): 43161300

約数和(自身を除く): 22221908

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5641, 11282, 22564, 45128, 90256, 163589, 180512, 327178, 361024, 654356, 722048, 1308712, 2617424, 5234848, 10469696, 20939392]

約数ペア:

[(1, 20939392), (2, 10469696), (4, 5234848), (8, 2617424), (16, 1308712), (29, 722048), (32, 654356), (58, 361024), (64, 327178), (116, 180512), (128, 163589), (232, 90256), (464, 45128), (928, 22564), (1856, 11282), (3712, 5641)]