20672245

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 27885312

約数和(自身を除く): 7213067

約数列:

[1, 5, 11, 47, 55, 121, 235, 517, 605, 727, 2585, 3635, 5687, 7997, 28435, 34169, 39985, 87967, 170845, 375859, 439835, 1879295, 4134449, 20672245]

約数ペア:

[(1, 20672245), (5, 4134449), (11, 1879295), (47, 439835), (55, 375859), (121, 170845), (235, 87967), (517, 39985), (605, 34169), (727, 28435), (2585, 7997), (3635, 5687)]