19995535

素因数分解:

$5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{883}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 27495936

約数和(自身を除く): 7500401

約数列:

[1, 5, 7, 35, 647, 883, 3235, 4415, 4529, 6181, 22645, 30905, 571301, 2856505, 3999107, 19995535]

約数ペア:

[(1, 19995535), (5, 3999107), (7, 2856505), (35, 571301), (647, 30905), (883, 22645), (3235, 6181), (4415, 4529)]