20246421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12073}}^1$

素因数の和:12132

約数の個数: 16

約数和(自身を含む): 29750336

約数和(自身を除く): 9503915

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12073, 36219, 156949, 470847, 519139, 1557417, 6748807, 20246421]

約数ペア:

[(1, 20246421), (3, 6748807), (13, 1557417), (39, 519139), (43, 470847), (129, 156949), (559, 36219), (1677, 12073)]