20969026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15217}}^1$

素因数の和:15285

約数の個数: 16

約数和(自身を含む): 34514424

約数和(自身を除く): 13545398

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15217, 30434, 197821, 395642, 806501, 1613002, 10484513, 20969026]

約数ペア:

[(1, 20969026), (2, 10484513), (13, 1613002), (26, 806501), (53, 395642), (106, 197821), (689, 30434), (1378, 15217)]