20276920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29819}}^1$

素因数の和:29847

約数の個数: 32

約数和(自身を含む): 48308400

約数和(自身を除く): 28031480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29819, 59638, 119276, 149095, 238552, 298190, 506923, 596380, 1013846, 1192760, 2027692, 2534615, 4055384, 5069230, 10138460, 20276920]

約数ペア:

[(1, 20276920), (2, 10138460), (4, 5069230), (5, 4055384), (8, 2534615), (10, 2027692), (17, 1192760), (20, 1013846), (34, 596380), (40, 506923), (68, 298190), (85, 238552), (136, 149095), (170, 119276), (340, 59638), (680, 29819)]