20021847

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2957}}^1$

素因数の和:3058

約数の個数: 16

約数和(自身を含む): 27876192

約数和(自身を除く): 7854345

約数列:

[1, 3, 37, 61, 111, 183, 2257, 2957, 6771, 8871, 109409, 180377, 328227, 541131, 6673949, 20021847]

約数ペア:

[(1, 20021847), (3, 6673949), (37, 541131), (61, 328227), (111, 180377), (183, 109409), (2257, 8871), (2957, 6771)]