20953000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 30264920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 911, 920, 1000, 1150, 1822, 2300, 2875, 3644, 4555, 4600, 5750, 7288, 9110, 11500, 18220, 20953, 22775, 23000, 36440, 41906, 45550, 83812, 91100, 104765, 113875, 167624, 182200, 209530, 227750, 419060, 455500, 523825, 838120, 911000, 1047650, 2095300, 2619125, 4190600, 5238250, 10476500, 20953000]

約数ペア:

[(1, 20953000), (2, 10476500), (4, 5238250), (5, 4190600), (8, 2619125), (10, 2095300), (20, 1047650), (23, 911000), (25, 838120), (40, 523825), (46, 455500), (50, 419060), (92, 227750), (100, 209530), (115, 182200), (125, 167624), (184, 113875), (200, 104765), (230, 91100), (250, 83812), (460, 45550), (500, 41906), (575, 36440), (911, 23000), (920, 22775), (1000, 20953), (1150, 18220), (1822, 11500), (2300, 9110), (2875, 7288), (3644, 5750), (4555, 4600)]