20239675120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{406093}}^1$

素因数の和:406202

約数の個数: 80

約数和(自身を含む): 54384108480

約数和(自身を除く): 34144433360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 6230, 7120, 9968, 12460, 24920, 49840, 406093, 812186, 1624372, 2030465, 2842651, 3248744, 4060930, 5685302, 6497488, 8121860, 11370604, 14213255, 16243720, 22741208, 28426510, 32487440, 36142277, 45482416, 56853020, 72284554, 113706040, 144569108, 180711385, 227412080, 252995939, 289138216, 361422770, 505991878, 578276432, 722845540, 1011983756, 1264979695, 1445691080, 2023967512, 2529959390, 2891382160, 4047935024, 5059918780, 10119837560, 20239675120]

約数ペア:

[(1, 20239675120), (2, 10119837560), (4, 5059918780), (5, 4047935024), (7, 2891382160), (8, 2529959390), (10, 2023967512), (14, 1445691080), (16, 1264979695), (20, 1011983756), (28, 722845540), (35, 578276432), (40, 505991878), (56, 361422770), (70, 289138216), (80, 252995939), (89, 227412080), (112, 180711385), (140, 144569108), (178, 113706040), (280, 72284554), (356, 56853020), (445, 45482416), (560, 36142277), (623, 32487440), (712, 28426510), (890, 22741208), (1246, 16243720), (1424, 14213255), (1780, 11370604), (2492, 8121860), (3115, 6497488), (3560, 5685302), (4984, 4060930), (6230, 3248744), (7120, 2842651), (9968, 2030465), (12460, 1624372), (24920, 812186), (49840, 406093)]