20357200

素因数分解:

$2^4\times 5^2\times {\mathrm{50893}}^1$

素因数の和:50911

約数の個数: 30

約数和(自身を含む): 48909134

約数和(自身を除く): 28551934

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50893, 101786, 203572, 254465, 407144, 508930, 814288, 1017860, 1272325, 2035720, 2544650, 4071440, 5089300, 10178600, 20357200]

約数ペア:

[(1, 20357200), (2, 10178600), (4, 5089300), (5, 4071440), (8, 2544650), (10, 2035720), (16, 1272325), (20, 1017860), (25, 814288), (40, 508930), (50, 407144), (80, 254465), (100, 203572), (200, 101786), (400, 50893)]