20849388519

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{72271}}^1$

素因数の和:72447

約数の個数: 32

約数和(自身を含む): 30055901184

約数和(自身を除く): 9206512665

約数列:

[1, 3, 23, 37, 69, 111, 113, 339, 851, 2553, 2599, 4181, 7797, 12543, 72271, 96163, 216813, 288489, 1662233, 2674027, 4986699, 8022081, 8166623, 24499869, 61502621, 184507863, 187832329, 302165051, 563496987, 906495153, 6949796173, 20849388519]

約数ペア:

[(1, 20849388519), (3, 6949796173), (23, 906495153), (37, 563496987), (69, 302165051), (111, 187832329), (113, 184507863), (339, 61502621), (851, 24499869), (2553, 8166623), (2599, 8022081), (4181, 4986699), (7797, 2674027), (12543, 1662233), (72271, 288489), (96163, 216813)]