20178097655

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{597781}}^1$

素因数の和:597986

約数の個数: 16

約数和(自身を含む): 24934682784

約数和(自身を除く): 4756585129

約数列:

[1, 5, 43, 157, 215, 785, 6751, 33755, 597781, 2988905, 25704583, 93851617, 128522915, 469258085, 4035619531, 20178097655]

約数ペア:

[(1, 20178097655), (5, 4035619531), (43, 469258085), (157, 128522915), (215, 93851617), (785, 25704583), (6751, 2988905), (33755, 597781)]