20199621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30467}}^1$

素因数の和:30500

約数の個数: 16

約数和(自身を含む): 30711744

約数和(自身を除く): 10512123

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30467, 91401, 396071, 517939, 1188213, 1553817, 6733207, 20199621]

約数ペア:

[(1, 20199621), (3, 6733207), (13, 1553817), (17, 1188213), (39, 517939), (51, 396071), (221, 91401), (663, 30467)]