20351200

素因数分解:

$2^5\times 5^2\times {\mathrm{25439}}^1$

素因数の和:25459

約数の個数: 36

約数和(自身を含む): 49684320

約数和(自身を除く): 29333120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25439, 50878, 101756, 127195, 203512, 254390, 407024, 508780, 635975, 814048, 1017560, 1271950, 2035120, 2543900, 4070240, 5087800, 10175600, 20351200]

約数ペア:

[(1, 20351200), (2, 10175600), (4, 5087800), (5, 4070240), (8, 2543900), (10, 2035120), (16, 1271950), (20, 1017560), (25, 814048), (32, 635975), (40, 508780), (50, 407024), (80, 254390), (100, 203512), (160, 127195), (200, 101756), (400, 50878), (800, 25439)]