20484955

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{467}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 25519104

約数和(自身を除く): 5034149

約数列:

[1, 5, 31, 155, 283, 467, 1415, 2335, 8773, 14477, 43865, 72385, 132161, 660805, 4096991, 20484955]

約数ペア:

[(1, 20484955), (5, 4096991), (31, 660805), (155, 132161), (283, 72385), (467, 43865), (1415, 14477), (2335, 8773)]