20199990109

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1\times {\mathrm{14537}}^1$

素因数の和:15840

約数の個数: 16

約数和(自身を含む): 22018091760

約数和(自身を除く): 1818101651

約数列:

[1, 13, 89, 1157, 1201, 14537, 15613, 106889, 188981, 1293793, 1389557, 16819309, 17458937, 226966181, 1553845393, 20199990109]

約数ペア:

[(1, 20199990109), (13, 1553845393), (89, 226966181), (1157, 17458937), (1201, 16819309), (14537, 1389557), (15613, 1293793), (106889, 188981)]