20793200

素因数分解:

$2^4\times 5^2\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:474

約数の個数: 60

約数和(自身を含む): 50394840

約数和(自身を除く): 29601640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 227, 229, 400, 454, 458, 908, 916, 1135, 1145, 1816, 1832, 2270, 2290, 3632, 3664, 4540, 4580, 5675, 5725, 9080, 9160, 11350, 11450, 18160, 18320, 22700, 22900, 45400, 45800, 51983, 90800, 91600, 103966, 207932, 259915, 415864, 519830, 831728, 1039660, 1299575, 2079320, 2599150, 4158640, 5198300, 10396600, 20793200]

約数ペア:

[(1, 20793200), (2, 10396600), (4, 5198300), (5, 4158640), (8, 2599150), (10, 2079320), (16, 1299575), (20, 1039660), (25, 831728), (40, 519830), (50, 415864), (80, 259915), (100, 207932), (200, 103966), (227, 91600), (229, 90800), (400, 51983), (454, 45800), (458, 45400), (908, 22900), (916, 22700), (1135, 18320), (1145, 18160), (1816, 11450), (1832, 11350), (2270, 9160), (2290, 9080), (3632, 5725), (3664, 5675), (4540, 4580)]