20533480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2074

約数の個数: 64

約数和(自身を含む): 52617600

約数和(自身を除く): 32084120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2029, 2530, 4058, 5060, 8116, 10120, 10145, 16232, 20290, 22319, 40580, 44638, 46667, 81160, 89276, 93334, 111595, 178552, 186668, 223190, 233335, 373336, 446380, 466670, 513337, 892760, 933340, 1026674, 1866680, 2053348, 2566685, 4106696, 5133370, 10266740, 20533480]

約数ペア:

[(1, 20533480), (2, 10266740), (4, 5133370), (5, 4106696), (8, 2566685), (10, 2053348), (11, 1866680), (20, 1026674), (22, 933340), (23, 892760), (40, 513337), (44, 466670), (46, 446380), (55, 373336), (88, 233335), (92, 223190), (110, 186668), (115, 178552), (184, 111595), (220, 93334), (230, 89276), (253, 81160), (440, 46667), (460, 44638), (506, 40580), (920, 22319), (1012, 20290), (1265, 16232), (2024, 10145), (2029, 10120), (2530, 8116), (4058, 5060)]