20193147

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1613}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 31724784

約数和(自身を除く): 11531637

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1613, 4173, 4839, 12519, 14517, 20969, 62907, 172591, 188721, 517773, 1553319, 2243683, 6731049, 20193147]

約数ペア:

[(1, 20193147), (3, 6731049), (9, 2243683), (13, 1553319), (39, 517773), (107, 188721), (117, 172591), (321, 62907), (963, 20969), (1391, 14517), (1613, 12519), (4173, 4839)]