20736760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47129}}^1$

素因数の和:47151

約数の個数: 32

約数和(自身を含む): 50900400

約数和(自身を除く): 30163640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47129, 94258, 188516, 235645, 377032, 471290, 518419, 942580, 1036838, 1885160, 2073676, 2592095, 4147352, 5184190, 10368380, 20736760]

約数ペア:

[(1, 20736760), (2, 10368380), (4, 5184190), (5, 4147352), (8, 2592095), (10, 2073676), (11, 1885160), (20, 1036838), (22, 942580), (40, 518419), (44, 471290), (55, 377032), (88, 235645), (110, 188516), (220, 94258), (440, 47129)]