20858812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1093}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 39454016

約数和(自身を除く): 18595204

約数列:

[1, 2, 4, 13, 26, 52, 367, 734, 1093, 1468, 2186, 4372, 4771, 9542, 14209, 19084, 28418, 56836, 401131, 802262, 1604524, 5214703, 10429406, 20858812]

約数ペア:

[(1, 20858812), (2, 10429406), (4, 5214703), (13, 1604524), (26, 802262), (52, 401131), (367, 56836), (734, 28418), (1093, 19084), (1468, 14209), (2186, 9542), (4372, 4771)]