20402095

素因数分解:

$5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1259}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 7660625

約数列:

[1, 5, 7, 35, 463, 1259, 2315, 3241, 6295, 8813, 16205, 44065, 582917, 2914585, 4080419, 20402095]

約数ペア:

[(1, 20402095), (5, 4080419), (7, 2914585), (35, 582917), (463, 44065), (1259, 16205), (2315, 8813), (3241, 6295)]