20394712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4783}}^1$

素因数の和:4843

約数の個数: 32

約数和(自身を含む): 42194880

約数和(自身を除く): 21800168

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4783, 9566, 19132, 38264, 62179, 124358, 196103, 248716, 392206, 497432, 784412, 1568824, 2549339, 5098678, 10197356, 20394712]

約数ペア:

[(1, 20394712), (2, 10197356), (4, 5098678), (8, 2549339), (13, 1568824), (26, 784412), (41, 497432), (52, 392206), (82, 248716), (104, 196103), (164, 124358), (328, 62179), (533, 38264), (1066, 19132), (2132, 9566), (4264, 4783)]