20189901590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1471}}^1\times {\mathrm{80737}}^1$

素因数の和:82232

約数の個数: 32

約数和(自身を含む): 38506212864

約数和(自身を除く): 18316311274

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1471, 2942, 7355, 14710, 25007, 50014, 80737, 125035, 161474, 250070, 403685, 807370, 1372529, 2745058, 6862645, 13725290, 118764127, 237528254, 593820635, 1187641270, 2018990159, 4037980318, 10094950795, 20189901590]

約数ペア:

[(1, 20189901590), (2, 10094950795), (5, 4037980318), (10, 2018990159), (17, 1187641270), (34, 593820635), (85, 237528254), (170, 118764127), (1471, 13725290), (2942, 6862645), (7355, 2745058), (14710, 1372529), (25007, 807370), (50014, 403685), (80737, 250070), (125035, 161474)]