2020114520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{3433}}^1$

素因数の和:3804

約数の個数: 64

約数和(自身を含む): 4658152320

約数和(自身を除く): 2638037800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 313, 376, 470, 626, 940, 1252, 1565, 1880, 2504, 3130, 3433, 6260, 6866, 12520, 13732, 14711, 17165, 27464, 29422, 34330, 58844, 68660, 73555, 117688, 137320, 147110, 161351, 294220, 322702, 588440, 645404, 806755, 1074529, 1290808, 1613510, 2149058, 3227020, 4298116, 5372645, 6454040, 8596232, 10745290, 21490580, 42981160, 50502863, 101005726, 202011452, 252514315, 404022904, 505028630, 1010057260, 2020114520]

約数ペア:

[(1, 2020114520), (2, 1010057260), (4, 505028630), (5, 404022904), (8, 252514315), (10, 202011452), (20, 101005726), (40, 50502863), (47, 42981160), (94, 21490580), (188, 10745290), (235, 8596232), (313, 6454040), (376, 5372645), (470, 4298116), (626, 3227020), (940, 2149058), (1252, 1613510), (1565, 1290808), (1880, 1074529), (2504, 806755), (3130, 645404), (3433, 588440), (6260, 322702), (6866, 294220), (12520, 161351), (13732, 147110), (14711, 137320), (17165, 117688), (27464, 73555), (29422, 68660), (34330, 58844)]