20378292

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{587}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 31779660

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 263, 526, 587, 789, 1052, 1174, 1578, 1761, 2348, 2893, 3156, 3522, 5786, 6457, 7044, 8679, 11572, 12914, 17358, 19371, 25828, 34716, 38742, 77484, 154381, 308762, 463143, 617524, 926286, 1698191, 1852572, 3396382, 5094573, 6792764, 10189146, 20378292]

約数ペア:

[(1, 20378292), (2, 10189146), (3, 6792764), (4, 5094573), (6, 3396382), (11, 1852572), (12, 1698191), (22, 926286), (33, 617524), (44, 463143), (66, 308762), (132, 154381), (263, 77484), (526, 38742), (587, 34716), (789, 25828), (1052, 19371), (1174, 17358), (1578, 12914), (1761, 11572), (2348, 8679), (2893, 7044), (3156, 6457), (3522, 5786)]