20554872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65881}}^1$

素因数の和:65903

約数の個数: 32

約数和(自身を含む): 55340880

約数和(自身を除く): 34786008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65881, 131762, 197643, 263524, 395286, 527048, 790572, 856453, 1581144, 1712906, 2569359, 3425812, 5138718, 6851624, 10277436, 20554872]

約数ペア:

[(1, 20554872), (2, 10277436), (3, 6851624), (4, 5138718), (6, 3425812), (8, 2569359), (12, 1712906), (13, 1581144), (24, 856453), (26, 790572), (39, 527048), (52, 395286), (78, 263524), (104, 197643), (156, 131762), (312, 65881)]