20154885309

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{85237}}^1$

素因数の和:85346

約数の個数: 48

約数和(自身を含む): 32764123392

約数和(自身を除く): 12609238083

約数列:

[1, 3, 9, 13, 39, 43, 47, 117, 129, 141, 387, 423, 559, 611, 1677, 1833, 2021, 5031, 5499, 6063, 18189, 26273, 78819, 85237, 236457, 255711, 767133, 1108081, 3324243, 3665191, 4006139, 9972729, 10995573, 12018417, 32986719, 36055251, 47647483, 52079807, 142942449, 156239421, 172263977, 428827347, 468718263, 516791931, 1550375793, 2239431701, 6718295103, 20154885309]

約数ペア:

[(1, 20154885309), (3, 6718295103), (9, 2239431701), (13, 1550375793), (39, 516791931), (43, 468718263), (47, 428827347), (117, 172263977), (129, 156239421), (141, 142942449), (387, 52079807), (423, 47647483), (559, 36055251), (611, 32986719), (1677, 12018417), (1833, 10995573), (2021, 9972729), (5031, 4006139), (5499, 3665191), (6063, 3324243), (18189, 1108081), (26273, 767133), (78819, 255711), (85237, 236457)]