20296779

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 27646080

約数和(自身を除く): 7349301

約数列:

[1, 3, 67, 201, 241, 419, 723, 1257, 16147, 28073, 48441, 84219, 100979, 302937, 6765593, 20296779]

約数ペア:

[(1, 20296779), (3, 6765593), (67, 302937), (201, 100979), (241, 84219), (419, 48441), (723, 28073), (1257, 16147)]