20178562856

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{6987037}}^1$

素因数の和:6987081

約数の個数: 24

約数和(自身を含む): 39930922170

約数和(自身を除く): 19752359314

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 6987037, 13974074, 27948148, 55896296, 132753703, 265507406, 531014812, 1062029624, 2522320357, 5044640714, 10089281428, 20178562856]

約数ペア:

[(1, 20178562856), (2, 10089281428), (4, 5044640714), (8, 2522320357), (19, 1062029624), (38, 531014812), (76, 265507406), (152, 132753703), (361, 55896296), (722, 27948148), (1444, 13974074), (2888, 6987037)]