20173409180

素因数分解:

$2^2\times 5^1\times {\mathrm{43781}}^1\times {\mathrm{23039}}^1$

素因数の和:66829

約数の個数: 24

約数和(自身を含む): 42366965760

約数和(自身を除く): 22193556580

約数列:

[1, 2, 4, 5, 10, 20, 23039, 43781, 46078, 87562, 92156, 115195, 175124, 218905, 230390, 437810, 460780, 875620, 1008670459, 2017340918, 4034681836, 5043352295, 10086704590, 20173409180]

約数ペア:

[(1, 20173409180), (2, 10086704590), (4, 5043352295), (5, 4034681836), (10, 2017340918), (20, 1008670459), (23039, 875620), (43781, 460780), (46078, 437810), (87562, 230390), (92156, 218905), (115195, 175124)]