20757438

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29569}}^1$

素因数の和:29593

約数の個数: 32

約数和(自身を含む): 49677600

約数和(自身を除く): 28920162

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 29569, 59138, 88707, 177414, 266121, 384397, 532242, 768794, 798363, 1153191, 1596726, 2306382, 3459573, 6919146, 10378719, 20757438]

約数ペア:

[(1, 20757438), (2, 10378719), (3, 6919146), (6, 3459573), (9, 2306382), (13, 1596726), (18, 1153191), (26, 798363), (27, 768794), (39, 532242), (54, 384397), (78, 266121), (117, 177414), (234, 88707), (351, 59138), (702, 29569)]