20420809969

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4373701}}^1$

素因数の和:4373760

約数の個数: 16

約数和(自身を含む): 25192523520

約数和(自身を除く): 4771713551

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 4373701, 30615907, 100595123, 126837329, 704165861, 887861303, 2917258567, 20420809969]

約数ペア:

[(1, 20420809969), (7, 2917258567), (23, 887861303), (29, 704165861), (161, 126837329), (203, 100595123), (667, 30615907), (4669, 4373701)]