20603860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 46158336

約数和(自身を除く): 25554476

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 953, 1081, 1906, 2162, 3812, 4324, 4765, 5405, 9530, 10810, 19060, 21620, 21919, 43838, 44791, 87676, 89582, 109595, 179164, 219190, 223955, 438380, 447910, 895820, 1030193, 2060386, 4120772, 5150965, 10301930, 20603860]

約数ペア:

[(1, 20603860), (2, 10301930), (4, 5150965), (5, 4120772), (10, 2060386), (20, 1030193), (23, 895820), (46, 447910), (47, 438380), (92, 223955), (94, 219190), (115, 179164), (188, 109595), (230, 89582), (235, 87676), (460, 44791), (470, 43838), (940, 21919), (953, 21620), (1081, 19060), (1906, 10810), (2162, 9530), (3812, 5405), (4324, 4765)]