20179220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19037}}^1$

素因数の和:19099

約数の個数: 24

約数和(自身を含む): 43178184

約数和(自身を除く): 22998964

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 19037, 38074, 76148, 95185, 190370, 380740, 1008961, 2017922, 4035844, 5044805, 10089610, 20179220]

約数ペア:

[(1, 20179220), (2, 10089610), (4, 5044805), (5, 4035844), (10, 2017922), (20, 1008961), (53, 380740), (106, 190370), (212, 95185), (265, 76148), (530, 38074), (1060, 19037)]