20356000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{727}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 57238272

約数和(自身を除く): 36882272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 700, 727, 800, 875, 1000, 1120, 1400, 1454, 1750, 2000, 2800, 2908, 3500, 3635, 4000, 5089, 5600, 5816, 7000, 7270, 10178, 11632, 14000, 14540, 18175, 20356, 23264, 25445, 28000, 29080, 36350, 40712, 50890, 58160, 72700, 81424, 90875, 101780, 116320, 127225, 145400, 162848, 181750, 203560, 254450, 290800, 363500, 407120, 508900, 581600, 636125, 727000, 814240, 1017800, 1272250, 1454000, 2035600, 2544500, 2908000, 4071200, 5089000, 10178000, 20356000]

約数ペア:

[(1, 20356000), (2, 10178000), (4, 5089000), (5, 4071200), (7, 2908000), (8, 2544500), (10, 2035600), (14, 1454000), (16, 1272250), (20, 1017800), (25, 814240), (28, 727000), (32, 636125), (35, 581600), (40, 508900), (50, 407120), (56, 363500), (70, 290800), (80, 254450), (100, 203560), (112, 181750), (125, 162848), (140, 145400), (160, 127225), (175, 116320), (200, 101780), (224, 90875), (250, 81424), (280, 72700), (350, 58160), (400, 50890), (500, 40712), (560, 36350), (700, 29080), (727, 28000), (800, 25445), (875, 23264), (1000, 20356), (1120, 18175), (1400, 14540), (1454, 14000), (1750, 11632), (2000, 10178), (2800, 7270), (2908, 7000), (3500, 5816), (3635, 5600), (4000, 5089)]