20732131

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2111}}^1$

素因数の和:2202

約数の個数: 16

約数和(自身を含む): 25141248

約数和(自身を除く): 4409117

約数列:

[1, 7, 23, 61, 161, 427, 1403, 2111, 9821, 14777, 48553, 128771, 339871, 901397, 2961733, 20732131]

約数ペア:

[(1, 20732131), (7, 2961733), (23, 901397), (61, 339871), (161, 128771), (427, 48553), (1403, 14777), (2111, 9821)]