20517202391

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{4441}}^1\times {\mathrm{9041}}^1$

素因数の和:13562

約数の個数: 16

約数和(自身を含む): 23777421888

約数和(自身を除く): 3260219497

約数列:

[1, 7, 73, 511, 4441, 9041, 31087, 63287, 324193, 659993, 2269351, 4619951, 40151081, 281057567, 2931028913, 20517202391]

約数ペア:

[(1, 20517202391), (7, 2931028913), (73, 281057567), (511, 40151081), (4441, 4619951), (9041, 2269351), (31087, 659993), (63287, 324193)]