20129648

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16339}}^1$

素因数の和:16365

約数の個数: 40

約数和(自身を含む): 48627840

約数和(自身を除く): 28498192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16339, 32678, 65356, 114373, 130712, 179729, 228746, 261424, 359458, 457492, 718916, 914984, 1258103, 1437832, 1829968, 2516206, 2875664, 5032412, 10064824, 20129648]

約数ペア:

[(1, 20129648), (2, 10064824), (4, 5032412), (7, 2875664), (8, 2516206), (11, 1829968), (14, 1437832), (16, 1258103), (22, 914984), (28, 718916), (44, 457492), (56, 359458), (77, 261424), (88, 228746), (112, 179729), (154, 130712), (176, 114373), (308, 65356), (616, 32678), (1232, 16339)]