20470600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5387}}^1$

素因数の和:5422

約数の個数: 48

約数和(自身を含む): 50108400

約数和(自身を除く): 29637800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5387, 10774, 21548, 26935, 43096, 53870, 102353, 107740, 134675, 204706, 215480, 269350, 409412, 511765, 538700, 818824, 1023530, 1077400, 2047060, 2558825, 4094120, 5117650, 10235300, 20470600]

約数ペア:

[(1, 20470600), (2, 10235300), (4, 5117650), (5, 4094120), (8, 2558825), (10, 2047060), (19, 1077400), (20, 1023530), (25, 818824), (38, 538700), (40, 511765), (50, 409412), (76, 269350), (95, 215480), (100, 204706), (152, 134675), (190, 107740), (200, 102353), (380, 53870), (475, 43096), (760, 26935), (950, 21548), (1900, 10774), (3800, 5387)]