20700400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7393}}^1$

素因数の和:7418

約数の個数: 60

約数和(自身を含む): 56845072

約数和(自身を除く): 36144672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7393, 14786, 29572, 36965, 51751, 59144, 73930, 103502, 118288, 147860, 184825, 207004, 258755, 295720, 369650, 414008, 517510, 591440, 739300, 828016, 1035020, 1293775, 1478600, 2070040, 2587550, 2957200, 4140080, 5175100, 10350200, 20700400]

約数ペア:

[(1, 20700400), (2, 10350200), (4, 5175100), (5, 4140080), (7, 2957200), (8, 2587550), (10, 2070040), (14, 1478600), (16, 1293775), (20, 1035020), (25, 828016), (28, 739300), (35, 591440), (40, 517510), (50, 414008), (56, 369650), (70, 295720), (80, 258755), (100, 207004), (112, 184825), (140, 147860), (175, 118288), (200, 103502), (280, 73930), (350, 59144), (400, 51751), (560, 36965), (700, 29572), (1400, 14786), (2800, 7393)]