20005503

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20269}}^1$

素因数の和:20326

約数の個数: 16

約数和(自身を含む): 31134720

約数和(自身を除く): 11129217

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20269, 60807, 141883, 425649, 952643, 2857929, 6668501, 20005503]

約数ペア:

[(1, 20005503), (3, 6668501), (7, 2857929), (21, 952643), (47, 425649), (141, 141883), (329, 60807), (987, 20269)]