20699.000000

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 916608

約数和(自身を除く): 189427

約数列:

[1, 7, 13, 61, 91, 131, 427, 793, 917, 1703, 5551, 7991, 11921, 55937, 103883, 727181]

約数ペア:

[(1, 727181), (7, 103883), (13, 55937), (61, 11921), (91, 7991), (131, 5551), (427, 1703), (793, 917)]