20375665600

素因数分解:

$2^6\times 5^2\times {\mathrm{47}}^1\times {\mathrm{270953}}^1$

素因数の和:271022

約数の個数: 84

約数和(自身を含む): 51203803104

約数和(自身を除く): 30828137504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 80, 94, 100, 160, 188, 200, 235, 320, 376, 400, 470, 752, 800, 940, 1175, 1504, 1600, 1880, 2350, 3008, 3760, 4700, 7520, 9400, 15040, 18800, 37600, 75200, 270953, 541906, 1083812, 1354765, 2167624, 2709530, 4335248, 5419060, 6773825, 8670496, 10838120, 12734791, 13547650, 17340992, 21676240, 25469582, 27095300, 43352480, 50939164, 54190600, 63673955, 86704960, 101878328, 108381200, 127347910, 203756656, 216762400, 254695820, 318369775, 407513312, 433524800, 509391640, 636739550, 815026624, 1018783280, 1273479100, 2037566560, 2546958200, 4075133120, 5093916400, 10187832800, 20375665600]

約数ペア:

[(1, 20375665600), (2, 10187832800), (4, 5093916400), (5, 4075133120), (8, 2546958200), (10, 2037566560), (16, 1273479100), (20, 1018783280), (25, 815026624), (32, 636739550), (40, 509391640), (47, 433524800), (50, 407513312), (64, 318369775), (80, 254695820), (94, 216762400), (100, 203756656), (160, 127347910), (188, 108381200), (200, 101878328), (235, 86704960), (320, 63673955), (376, 54190600), (400, 50939164), (470, 43352480), (752, 27095300), (800, 25469582), (940, 21676240), (1175, 17340992), (1504, 13547650), (1600, 12734791), (1880, 10838120), (2350, 8670496), (3008, 6773825), (3760, 5419060), (4700, 4335248), (7520, 2709530), (9400, 2167624), (15040, 1354765), (18800, 1083812), (37600, 541906), (75200, 270953)]