20178697786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1\times {\mathrm{5419}}^1$

素因数の和:6358

約数の個数: 32

約数和(自身を含む): 32812940160

約数和(自身を除く): 12634242374

約数列:

[1, 2, 13, 26, 197, 394, 727, 1454, 2561, 5122, 5419, 9451, 10838, 18902, 70447, 140894, 143219, 286438, 1067543, 1861847, 2135086, 3723694, 3939613, 7879226, 13878059, 27756118, 51214969, 102429938, 776103761, 1552207522, 10089348893, 20178697786]

約数ペア:

[(1, 20178697786), (2, 10089348893), (13, 1552207522), (26, 776103761), (197, 102429938), (394, 51214969), (727, 27756118), (1454, 13878059), (2561, 7879226), (5122, 3939613), (5419, 3723694), (9451, 2135086), (10838, 1861847), (18902, 1067543), (70447, 286438), (140894, 143219)]