20199333

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87443}}^1$

素因数の和:87464

約数の個数: 16

約数和(自身を含む): 33578496

約数和(自身を除く): 13379163

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87443, 262329, 612101, 961873, 1836303, 2885619, 6733111, 20199333]

約数ペア:

[(1, 20199333), (3, 6733111), (7, 2885619), (11, 1836303), (21, 961873), (33, 612101), (77, 262329), (231, 87443)]