20329600

素因数分解:

$2^7\times 5^2\times {\mathrm{6353}}^1$

素因数の和:6377

約数の個数: 48

約数和(自身を含む): 50228370

約数和(自身を除く): 29898770

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6353, 12706, 25412, 31765, 50824, 63530, 101648, 127060, 158825, 203296, 254120, 317650, 406592, 508240, 635300, 813184, 1016480, 1270600, 2032960, 2541200, 4065920, 5082400, 10164800, 20329600]

約数ペア:

[(1, 20329600), (2, 10164800), (4, 5082400), (5, 4065920), (8, 2541200), (10, 2032960), (16, 1270600), (20, 1016480), (25, 813184), (32, 635300), (40, 508240), (50, 406592), (64, 317650), (80, 254120), (100, 203296), (128, 158825), (160, 127060), (200, 101648), (320, 63530), (400, 50824), (640, 31765), (800, 25412), (1600, 12706), (3200, 6353)]