20076800

素因数分解:

$2^8\times 5^2\times {\mathrm{3137}}^1$

素因数の和:3163

約数の個数: 54

約数和(自身を含む): 49709058

約数和(自身を除く): 29632258

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3137, 3200, 6274, 6400, 12548, 15685, 25096, 31370, 50192, 62740, 78425, 100384, 125480, 156850, 200768, 250960, 313700, 401536, 501920, 627400, 803072, 1003840, 1254800, 2007680, 2509600, 4015360, 5019200, 10038400, 20076800]

約数ペア:

[(1, 20076800), (2, 10038400), (4, 5019200), (5, 4015360), (8, 2509600), (10, 2007680), (16, 1254800), (20, 1003840), (25, 803072), (32, 627400), (40, 501920), (50, 401536), (64, 313700), (80, 250960), (100, 200768), (128, 156850), (160, 125480), (200, 100384), (256, 78425), (320, 62740), (400, 50192), (640, 31370), (800, 25096), (1280, 15685), (1600, 12548), (3137, 6400), (3200, 6274)]