20201363

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3041}}^1$

素因数の和:3134

約数の個数: 16

約数和(自身を含む): 25212096

約数和(自身を除く): 5010733

約数列:

[1, 7, 13, 73, 91, 511, 949, 3041, 6643, 21287, 39533, 221993, 276731, 1553951, 2885909, 20201363]

約数ペア:

[(1, 20201363), (7, 2885909), (13, 1553951), (73, 276731), (91, 221993), (511, 39533), (949, 21287), (3041, 6643)]