20120174669

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{24683}}^1$

素因数の和:24857

約数の個数: 32

約数和(自身を含む): 24682420224

約数和(自身を除く): 4562245555

約数列:

[1, 7, 23, 61, 83, 161, 427, 581, 1403, 1909, 5063, 9821, 13363, 24683, 35441, 116449, 172781, 567709, 815143, 1505663, 2048689, 3973963, 10539641, 14340823, 34630249, 47119847, 124970029, 242411743, 329838929, 874790203, 2874310667, 20120174669]

約数ペア:

[(1, 20120174669), (7, 2874310667), (23, 874790203), (61, 329838929), (83, 242411743), (161, 124970029), (427, 47119847), (581, 34630249), (1403, 14340823), (1909, 10539641), (5063, 3973963), (9821, 2048689), (13363, 1505663), (24683, 815143), (35441, 567709), (116449, 172781)]