20660500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5903}}^1$

素因数の和:5929

約数の個数: 48

約数和(自身を含む): 51577344

約数和(自身を除く): 30916844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5903, 11806, 23612, 29515, 41321, 59030, 82642, 118060, 147575, 165284, 206605, 295150, 413210, 590300, 737875, 826420, 1033025, 1475750, 2066050, 2951500, 4132100, 5165125, 10330250, 20660500]

約数ペア:

[(1, 20660500), (2, 10330250), (4, 5165125), (5, 4132100), (7, 2951500), (10, 2066050), (14, 1475750), (20, 1033025), (25, 826420), (28, 737875), (35, 590300), (50, 413210), (70, 295150), (100, 206605), (125, 165284), (140, 147575), (175, 118060), (250, 82642), (350, 59030), (500, 41321), (700, 29515), (875, 23612), (1750, 11806), (3500, 5903)]