20961144

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1\times {\mathrm{1051}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 57028920

約数和(自身を除く): 36067776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 1051, 1108, 1662, 2102, 2216, 2493, 3153, 3324, 4204, 4986, 6306, 6648, 8408, 9459, 9972, 12612, 18918, 19944, 25224, 37836, 75672, 291127, 582254, 873381, 1164508, 1746762, 2329016, 2620143, 3493524, 5240286, 6987048, 10480572, 20961144]

約数ペア:

[(1, 20961144), (2, 10480572), (3, 6987048), (4, 5240286), (6, 3493524), (8, 2620143), (9, 2329016), (12, 1746762), (18, 1164508), (24, 873381), (36, 582254), (72, 291127), (277, 75672), (554, 37836), (831, 25224), (1051, 19944), (1108, 18918), (1662, 12612), (2102, 9972), (2216, 9459), (2493, 8408), (3153, 6648), (3324, 6306), (4204, 4986)]