20880147148

素因数分解:

$2^2\times 7^2\times {\mathrm{10211}}^1\times {\mathrm{10433}}^1$

素因数の和:20662

約数の個数: 36

約数和(自身を含む): 42514251192

約数和(自身を除く): 21634104044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 10211, 10433, 20422, 20866, 40844, 41732, 71477, 73031, 142954, 146062, 285908, 292124, 500339, 511217, 1000678, 1022434, 2001356, 2044868, 106531363, 213062726, 426125452, 745719541, 1491439082, 2982878164, 5220036787, 10440073574, 20880147148]

約数ペア:

[(1, 20880147148), (2, 10440073574), (4, 5220036787), (7, 2982878164), (14, 1491439082), (28, 745719541), (49, 426125452), (98, 213062726), (196, 106531363), (10211, 2044868), (10433, 2001356), (20422, 1022434), (20866, 1000678), (40844, 511217), (41732, 500339), (71477, 292124), (73031, 285908), (142954, 146062)]