20144200

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2206

約数の個数: 48

約数和(自身を含む): 47854080

約数和(自身を除く): 27709880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2143, 2350, 4286, 4700, 8572, 9400, 10715, 17144, 21430, 42860, 53575, 85720, 100721, 107150, 201442, 214300, 402884, 428600, 503605, 805768, 1007210, 2014420, 2518025, 4028840, 5036050, 10072100, 20144200]

約数ペア:

[(1, 20144200), (2, 10072100), (4, 5036050), (5, 4028840), (8, 2518025), (10, 2014420), (20, 1007210), (25, 805768), (40, 503605), (47, 428600), (50, 402884), (94, 214300), (100, 201442), (188, 107150), (200, 100721), (235, 85720), (376, 53575), (470, 42860), (940, 21430), (1175, 17144), (1880, 10715), (2143, 9400), (2350, 8572), (4286, 4700)]