20193004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 38229408

約数和(自身を除く): 18036404

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 1511, 3022, 3341, 6044, 6682, 13364, 19643, 39286, 78572, 388327, 776654, 1553308, 5048251, 10096502, 20193004]

約数ペア:

[(1, 20193004), (2, 10096502), (4, 5048251), (13, 1553308), (26, 776654), (52, 388327), (257, 78572), (514, 39286), (1028, 19643), (1511, 13364), (3022, 6682), (3341, 6044)]