20160988

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 36560160

約数和(自身を除く): 16399172

約数列:

[1, 2, 4, 53, 61, 106, 122, 212, 244, 1559, 3118, 3233, 6236, 6466, 12932, 82627, 95099, 165254, 190198, 330508, 380396, 5040247, 10080494, 20160988]

約数ペア:

[(1, 20160988), (2, 10080494), (4, 5040247), (53, 380396), (61, 330508), (106, 190198), (122, 165254), (212, 95099), (244, 82627), (1559, 12932), (3118, 6466), (3233, 6236)]