20109215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33797}}^1$

素因数の和:33826

約数の個数: 16

約数和(自身を含む): 29201472

約数和(自身を除く): 9092257

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 33797, 168985, 236579, 574549, 1182895, 2872745, 4021843, 20109215]

約数ペア:

[(1, 20109215), (5, 4021843), (7, 2872745), (17, 1182895), (35, 574549), (85, 236579), (119, 168985), (595, 33797)]