20559513

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6673}}^1$

素因数の和:6768

約数の個数: 16

約数和(自身を含む): 29899520

約数和(自身を除く): 9340007

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6673, 20019, 86749, 260247, 527167, 1581501, 6853171, 20559513]

約数ペア:

[(1, 20559513), (3, 6853171), (13, 1581501), (39, 527167), (79, 260247), (237, 86749), (1027, 20019), (3081, 6673)]