20983083

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 32700672

約数和(自身を除く): 11717589

約数列:

[1, 3, 11, 17, 33, 51, 113, 187, 331, 339, 561, 993, 1243, 1921, 3641, 3729, 5627, 5763, 10923, 16881, 21131, 37403, 61897, 63393, 112209, 185691, 411433, 635851, 1234299, 1907553, 6994361, 20983083]

約数ペア:

[(1, 20983083), (3, 6994361), (11, 1907553), (17, 1234299), (33, 635851), (51, 411433), (113, 185691), (187, 112209), (331, 63393), (339, 61897), (561, 37403), (993, 21131), (1243, 16881), (1921, 10923), (3641, 5763), (3729, 5627)]