20924316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1991

約数の個数: 72

約数和(自身を含む): 61885824

約数和(自身を除く): 40961508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 1931, 2709, 3612, 3862, 5418, 5793, 7724, 10836, 11586, 13517, 17379, 23172, 27034, 34758, 40551, 54068, 69516, 81102, 83033, 121653, 162204, 166066, 243306, 249099, 332132, 486612, 498198, 581231, 747297, 996396, 1162462, 1494594, 1743693, 2324924, 2989188, 3487386, 5231079, 6974772, 10462158, 20924316]

約数ペア:

[(1, 20924316), (2, 10462158), (3, 6974772), (4, 5231079), (6, 3487386), (7, 2989188), (9, 2324924), (12, 1743693), (14, 1494594), (18, 1162462), (21, 996396), (28, 747297), (36, 581231), (42, 498198), (43, 486612), (63, 332132), (84, 249099), (86, 243306), (126, 166066), (129, 162204), (172, 121653), (252, 83033), (258, 81102), (301, 69516), (387, 54068), (516, 40551), (602, 34758), (774, 27034), (903, 23172), (1204, 17379), (1548, 13517), (1806, 11586), (1931, 10836), (2709, 7724), (3612, 5793), (3862, 5418)]