20515701

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4073}}^1$

素因数の和:4172

約数の個数: 16

約数和(自身を含む): 28941696

約数和(自身を除く): 8425995

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4073, 5037, 12219, 93679, 281037, 297329, 891987, 6838567, 20515701]

約数ペア:

[(1, 20515701), (3, 6838567), (23, 891987), (69, 297329), (73, 281037), (219, 93679), (1679, 12219), (4073, 5037)]