20534555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7793}}^1$

素因数の和:7846

約数の個数: 16

約数和(自身を含む): 26936064

約数和(自身を除く): 6401509

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 7793, 38965, 132481, 241583, 662405, 1207915, 4106911, 20534555]

約数ペア:

[(1, 20534555), (5, 4106911), (17, 1207915), (31, 662405), (85, 241583), (155, 132481), (527, 38965), (2635, 7793)]