20273968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8861}}^1$

素因数の和:8893

約数の個数: 40

約数和(自身を含む): 46153296

約数和(自身を除く): 25879328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8861, 17722, 35444, 70888, 97471, 115193, 141776, 194942, 230386, 389884, 460772, 779768, 921544, 1267123, 1559536, 1843088, 2534246, 5068492, 10136984, 20273968]

約数ペア:

[(1, 20273968), (2, 10136984), (4, 5068492), (8, 2534246), (11, 1843088), (13, 1559536), (16, 1267123), (22, 921544), (26, 779768), (44, 460772), (52, 389884), (88, 230386), (104, 194942), (143, 141776), (176, 115193), (208, 97471), (286, 70888), (572, 35444), (1144, 17722), (2288, 8861)]