20864316

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{601}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 53399808

約数和(自身を除く): 32535492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 263, 526, 601, 789, 1052, 1202, 1578, 1803, 2404, 2893, 3156, 3606, 5786, 6611, 7212, 8679, 11572, 13222, 17358, 19833, 26444, 34716, 39666, 79332, 158063, 316126, 474189, 632252, 948378, 1738693, 1896756, 3477386, 5216079, 6954772, 10432158, 20864316]

約数ペア:

[(1, 20864316), (2, 10432158), (3, 6954772), (4, 5216079), (6, 3477386), (11, 1896756), (12, 1738693), (22, 948378), (33, 632252), (44, 474189), (66, 316126), (132, 158063), (263, 79332), (526, 39666), (601, 34716), (789, 26444), (1052, 19833), (1202, 17358), (1578, 13222), (1803, 11572), (2404, 8679), (2893, 7212), (3156, 6611), (3606, 5786)]